10101121572 has 48 divisors (see below), whose sum is σ = 24388499520. Its totient is φ = 3251770368.

The previous prime is 10101121567. The next prime is 10101121651. The reversal of 10101121572 is 27512110101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64053 + ... + 155900.

It is an arithmetic number, because the mean of its divisors is an integer number (508093740).

Almost surely, 2^10101121572 is an apocalyptic number.

10101121572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10101121572 is an abundant number, since it is smaller than the sum of its proper divisors (14287377948).

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

10101121572 is a wasteful number, since it uses less digits than its factorization.

10101121572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220092 (or 220090 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 21.

Adding to 10101121572 its reverse (27512110101), we get a palindrome (37613231673).

The spelling of 10101121572 in words is "ten billion, one hundred one million, one hundred twenty-one thousand, five hundred seventy-two".