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10122311101 = 71446044443
BaseRepresentation
bin10010110110101011…
…00011010110111101
3222010102220200102011
421123111203112331
5131212302423401
64352232131221
7505561140040
oct113325432675
928112820364
1010122311101
114324865171
121b65b36b11
13c541432c6
146c04c0c57
153e39bd451
hex25b5635bd

10122311101 has 4 divisors (see below), whose sum is σ = 11568355552. Its totient is φ = 8676266652.

The previous prime is 10122311081. The next prime is 10122311113. The reversal of 10122311101 is 10111322101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10122311101 - 27 = 10122310973 is a prime.

It is a super-2 number, since 2×101223111012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122311701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723022215 + ... + 723022228.

It is an arithmetic number, because the mean of its divisors is an integer number (2892088888).

Almost surely, 210122311101 is an apocalyptic number.

It is an amenable number.

10122311101 is a deficient number, since it is larger than the sum of its proper divisors (1446044451).

10122311101 is an equidigital number, since it uses as much as digits as its factorization.

10122311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446044450.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10122311101 its reverse (10111322101), we get a palindrome (20233633202).

The spelling of 10122311101 in words is "ten billion, one hundred twenty-two million, three hundred eleven thousand, one hundred one".

Divisors: 1 7 1446044443 10122311101