10101122100021 has 8 divisors (see below), whose sum is σ = 13468447409920. Its totient is φ = 6733939095072.

The previous prime is 10101122100007. The next prime is 10101122100023. The reversal of 10101122100021 is 12000122110101.

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

It is not a de Polignac number, because 10101122100021 - 2⁵ = 10101122099989 is a prime.

It is a super-3 number, since 3×10101122100021³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101122100023) 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, 35410501 + ... + 35694618.

It is an arithmetic number, because the mean of its divisors is an integer number (1683555926240).

Almost surely, 2^{10101122100021} is an apocalyptic number.

It is an amenable number.

10101122100021 is a deficient number, since it is larger than the sum of its proper divisors (3367325309899).

10101122100021 is an equidigital number, since it uses as much as digits as its factorization.

10101122100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71152475.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10101122100021 its reverse (12000122110101), we get a palindrome (22101244210122).

The spelling of 10101122100021 in words is "ten trillion, one hundred one billion, one hundred twenty-two million, one hundred thousand, twenty-one".