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210121201122200 = 23529371121244403
BaseRepresentation
bin101111110001101010100111…
…100011010111101110011000
31000112222101112210011020210122
4233301222213203113232120
5210020111204441402300
62022520202555132412
762154520146345404
oct5761524743275630
91015871483136718
10210121201122200
1160a509a0204365
121b696a91144108
1390324623c9954
1439c5cc57dc104
151945b04645c85
hexbf1aa78d7b98

210121201122200 has 48 divisors (see below), whose sum is σ = 489053171692680. Its totient is φ = 83958780821760.

The previous prime is 210121201122179. The next prime is 210121201122211. The reversal of 210121201122200 is 2221102121012.

It is a super-2 number, since 2×2101212011222002 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 560434802 + ... + 560809601.

Almost surely, 2210121201122200 is an apocalyptic number.

210121201122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210121201122200 is an abundant number, since it is smaller than the sum of its proper divisors (278931970570480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210121201122200 is a wasteful number, since it uses less digits than its factorization.

210121201122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121245356 (or 1121245347 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210121201122200 its reverse (2221102121012), we get a palindrome (212342303243212).

The spelling of 210121201122200 in words is "two hundred ten trillion, one hundred twenty-one billion, two hundred one million, one hundred twenty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 937 1874 3748 4685 7496 9370 18740 23425 37480 46850 93700 187400 1121244403 2242488806 4484977612 5606222015 8969955224 11212444030 22424888060 28031110075 44849776120 56062220150 112124440300 224248880600 1050606005611 2101212011222 4202424022444 5253030028055 8404848044888 10506060056110 21012120112220 26265150140275 42024240224440 52530300280550 105060600561100 210121201122200