10101120011021 has 32 divisors (see below), whose sum is σ = 11161119610368. Its totient is φ = 9083472652800.

The previous prime is 10101120010997. The next prime is 10101120011041. The reversal of 10101120011021 is 12011002110101.

It is not a de Polignac number, because 10101120011021 - 2²² = 10101115816717 is a prime.

It is a super-2 number, since 2×10101120011021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10101120010993 and 10101120011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101120011041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134023670 + ... + 134099016.

It is an arithmetic number, because the mean of its divisors is an integer number (348784987824).

Almost surely, 2^{10101120011021} is an apocalyptic number.

It is an amenable number.

10101120011021 is a deficient number, since it is larger than the sum of its proper divisors (1059999599347).

10101120011021 is a wasteful number, since it uses less digits than its factorization.

10101120011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76421.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10101120011021 its reverse (12011002110101), we get a palindrome (22112122121122).

The spelling of 10101120011021 in words is "ten trillion, one hundred one billion, one hundred twenty million, eleven thousand, twenty-one".