101210101111021 has 8 divisors (see below), whose sum is σ = 115680486377664. Its totient is φ = 86742665692800.

The previous prime is 101210101110983. The next prime is 101210101111037. The reversal of 101210101111021 is 120111101012101.

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

It is a cyclic number.

It is not a de Polignac number, because 101210101111021 - 2³⁹ = 100660345297133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101210101110992 and 101210101111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210101115021) 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, 737388580 + ... + 737525821.

It is an arithmetic number, because the mean of its divisors is an integer number (14460060797208).

Almost surely, 2^{101210101111021} is an apocalyptic number.

It is an amenable number.

101210101111021 is a deficient number, since it is larger than the sum of its proper divisors (14470385266643).

101210101111021 is an equidigital number, since it uses as much as digits as its factorization.

101210101111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474924211.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 101210101111021 its reverse (120111101012101), we get a palindrome (221321202123122).

The spelling of 101210101111021 in words is "one hundred one trillion, two hundred ten billion, one hundred one million, one hundred eleven thousand, twenty-one".