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10112101220221 = 7111310101999221
BaseRepresentation
bin1001001100100110100000…
…1100110111111101111101
31022210201002201110021110121
42103021220030313331331
52311134040403021341
633301233555134541
72062401203113240
oct223115014677575
938721081407417
1010112101220221
113249577575a70
1211739622a4451
1358474aa7c7b0
1426d5dd3d9257
1512808b7444d1
hex93268337f7d

10112101220221 has 16 divisors (see below), whose sum is σ = 13577086954368. Its totient is φ = 7273439438400.

The previous prime is 10112101220219. The next prime is 10112101220233. The reversal of 10112101220221 is 12202210121101.

It is a cyclic number.

It is not a de Polignac number, because 10112101220221 - 21 = 10112101220219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10112101220195 and 10112101220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112101220321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5050998610 + ... + 5051000611.

It is an arithmetic number, because the mean of its divisors is an integer number (848567934648).

Almost surely, 210112101220221 is an apocalyptic number.

10112101220221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10112101220221 is a deficient number, since it is larger than the sum of its proper divisors (3464985734147).

10112101220221 is a wasteful number, since it uses less digits than its factorization.

10112101220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101999252.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10112101220221 its reverse (12202210121101), we get a palindrome (22314311341322).

The spelling of 10112101220221 in words is "ten trillion, one hundred twelve billion, one hundred one million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 7 11 13 77 91 143 1001 10101999221 70713994547 111121991431 131325989873 777853940017 919281929111 1444585888603 10112101220221