2210012100021 has 32 divisors (see below), whose sum is σ = 3315462782976. Its totient is φ = 1297924040000.

The previous prime is 2210012099959. The next prime is 2210012100047. The reversal of 2210012100021 is 1200012100122.

It is a cyclic number.

It is not a de Polignac number, because 2210012100021 - 2⁶ = 2210012099957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210012100091) 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, 6897285 + ... + 7210586.

It is an arithmetic number, because the mean of its divisors is an integer number (103608211968).

Almost surely, 2^{2210012100021} is an apocalyptic number.

It is an amenable number.

2210012100021 is a deficient number, since it is larger than the sum of its proper divisors (1105450682955).

2210012100021 is a wasteful number, since it uses less digits than its factorization.

2210012100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14108033.

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

Adding to 2210012100021 its reverse (1200012100122), we get a palindrome (3410024200143).

It can be divided in two parts, 22100 and 12100021, that added together give a palindrome (12122121).

The spelling of 2210012100021 in words is "two trillion, two hundred ten billion, twelve million, one hundred thousand, twenty-one".