100212200010021 has 32 divisors (see below), whose sum is σ = 145883735907840. Its totient is φ = 60684458158400.

The previous prime is 100212200009989. The next prime is 100212200010067. The reversal of 100212200010021 is 120010002212001.

It is a cyclic number.

It is not a de Polignac number, because 100212200010021 - 2⁵ = 100212200009989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100212200009979 and 100212200010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212200010071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276297490 + ... + 276659948.

It is an arithmetic number, because the mean of its divisors is an integer number (4558866747120).

Almost surely, 2^{100212200010021} is an apocalyptic number.

100212200010021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100212200010021 is a deficient number, since it is larger than the sum of its proper divisors (45671535897819).

100212200010021 is a wasteful number, since it uses less digits than its factorization.

100212200010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369377.

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

Adding to 100212200010021 its reverse (120010002212001), we get a palindrome (220222202222022).

The spelling of 100212200010021 in words is "one hundred trillion, two hundred twelve billion, two hundred million, ten thousand, twenty-one".