100020210102021 has 64 divisors (see below), whose sum is σ = 147543009269760. Its totient is φ = 59765802720000.

The previous prime is 100020210101957. The next prime is 100020210102079. The reversal of 100020210102021 is 120201012020001.

It is not a de Polignac number, because 100020210102021 - 2⁶ = 100020210101957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100020210101988 and 100020210102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020210104021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1056210351 + ... + 1056305043.

It is an arithmetic number, because the mean of its divisors is an integer number (2305359519840).

Almost surely, 2^{100020210102021} is an apocalyptic number.

100020210102021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100020210102021 is a deficient number, since it is larger than the sum of its proper divisors (47522799167739).

100020210102021 is a wasteful number, since it uses less digits than its factorization.

100020210102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96138.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100020210102021 its reverse (120201012020001), we get a palindrome (220221222122022).

The spelling of 100020210102021 in words is "one hundred trillion, twenty billion, two hundred ten million, one hundred two thousand, twenty-one".