100212202101021 has 16 divisors (see below), whose sum is σ = 136234641916800. Its totient is φ = 65500750560960.

The previous prime is 100212202100993. The next prime is 100212202101023. The reversal of 100212202101021 is 120101202212001.

It is not a de Polignac number, because 100212202101021 - 2³⁷ = 100074763147549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212202101023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225033250 + ... + 225478131.

It is an arithmetic number, because the mean of its divisors is an integer number (8514665119800).

Almost surely, 2^{100212202101021} is an apocalyptic number.

It is an amenable number.

100212202101021 is a deficient number, since it is larger than the sum of its proper divisors (36022439815779).

100212202101021 is a wasteful number, since it uses less digits than its factorization.

100212202101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450512836.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100212202101021 its reverse (120101202212001), we get a palindrome (220313404313022).

The spelling of 100212202101021 in words is "one hundred trillion, two hundred twelve billion, two hundred two million, one hundred one thousand, twenty-one".