100020012022021 has 8 divisors (see below), whose sum is σ = 123101553257984. Its totient is φ = 79136712808560.

The previous prime is 100020012022019. The next prime is 100020012022039. The reversal of 100020012022021 is 120220210020001.

It is a happy number.

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 100020012022021 - 2¹ = 100020012022019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 100020012021992 and 100020012022010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020012022081) 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, 549560505525 + ... + 549560505706.

It is an arithmetic number, because the mean of its divisors is an integer number (15387694157248).

Almost surely, 2^{100020012022021} is an apocalyptic number.

It is an amenable number.

100020012022021 is a deficient number, since it is larger than the sum of its proper divisors (23081541235963).

100020012022021 is a wasteful number, since it uses less digits than its factorization.

100020012022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099121011251.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100020012022021 its reverse (120220210020001), we get a palindrome (220240222042022).

The spelling of 100020012022021 in words is "one hundred trillion, twenty billion, twelve million, twenty-two thousand, twenty-one".