20100022221210 has 64 divisors (see below), whose sum is σ = 48982286304000. Its totient is φ = 5278090954752.

The previous prime is 20100022221203. The next prime is 20100022221217. The reversal of 20100022221210 is 1212222000102.

It is an interprime number because it is at equal distance from previous prime (20100022221203) and next prime (20100022221217).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20100022221210.

It is not an unprimeable number, because it can be changed into a prime (20100022221217) 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, 16775745 + ... + 17933924.

It is an arithmetic number, because the mean of its divisors is an integer number (765348223500).

Almost surely, 2^{20100022221210} is an apocalyptic number.

20100022221210 is an abundant number, since it is smaller than the sum of its proper divisors (28882264082790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20100022221210 is a wasteful number, since it uses less digits than its factorization.

20100022221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34709975.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20100022221210 its reverse (1212222000102), we get a palindrome (21312244221312).

The spelling of 20100022221210 in words is "twenty trillion, one hundred billion, twenty-two million, two hundred twenty-one thousand, two hundred ten".