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210220121201201 = 1993098334095553
BaseRepresentation
bin101111110011000110101111…
…101001100001101000110001
31000120022211212200201220221022
4233303012233221201220301
5210023221302011414301
62023033442423505225
762164621401216236
oct5763065751415061
91016284780656838
10210220121201201
1160a89941a99871
121b6b20992b8215
13903b898268a87
1439ca9cb26978d
151948493b63d1b
hexbf31afa61a31

210220121201201 has 8 divisors (see below), whose sum is σ = 211283329027200. Its totient is φ = 209156981628672.

The previous prime is 210220121201183. The next prime is 210220121201221. The reversal of 210220121201201 is 102102121022012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-210220121201201 is a prime.

It is a super-2 number, since 2×2102201212012012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210220121201201.

It is not an unprimeable number, because it can be changed into a prime (210220121201221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10882160 + ... + 23213393.

It is an arithmetic number, because the mean of its divisors is an integer number (26410416128400).

Almost surely, 2210220121201201 is an apocalyptic number.

It is an amenable number.

210220121201201 is a deficient number, since it is larger than the sum of its proper divisors (1063207825999).

210220121201201 is a wasteful number, since it uses less digits than its factorization.

210220121201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34126735.

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

Adding to 210220121201201 its reverse (102102121022012), we get a palindrome (312322242223213).

The spelling of 210220121201201 in words is "two hundred ten trillion, two hundred twenty billion, one hundred twenty-one million, two hundred one thousand, two hundred one".

Divisors: 1 199 30983 6165617 34095553 6785015047 1056382518599 210220121201201