101211012002021 has 8 divisors (see below), whose sum is σ = 101319512546304. Its totient is φ = 101102516277280.

The previous prime is 101211012002003. The next prime is 101211012002033. The reversal of 101211012002021 is 120200210112101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101211012002021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101211012001987 and 101211012002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211012002041) 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, 41633486 + ... + 43997376.

It is an arithmetic number, because the mean of its divisors is an integer number (12664939068288).

Almost surely, 2^{101211012002021} is an apocalyptic number.

It is an amenable number.

101211012002021 is a deficient number, since it is larger than the sum of its proper divisors (108500544283).

101211012002021 is an equidigital number, since it uses as much as digits as its factorization.

101211012002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409771.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101211012002021 its reverse (120200210112101), we get a palindrome (221411222114122).

The spelling of 101211012002021 in words is "one hundred one trillion, two hundred eleven billion, twelve million, two thousand, twenty-one".