20010102111210 has 48 divisors (see below), whose sum is σ = 49067777942496. Its totient is φ = 5222494718112.

The previous prime is 20010102111203. The next prime is 20010102111217. The reversal of 20010102111210 is 1211120101002.

It is an interprime number because it is at equal distance from previous prime (20010102111203) and next prime (20010102111217).

It is not an unprimeable number, because it can be changed into a prime (20010102111217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150907792 + ... + 151040331.

It is an arithmetic number, because the mean of its divisors is an integer number (1022245373802).

Almost surely, 2^{20010102111210} is an apocalyptic number.

20010102111210 is an abundant number, since it is smaller than the sum of its proper divisors (29057675831286).

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

20010102111210 is a wasteful number, since it uses less digits than its factorization.

20010102111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301948227 (or 301948180 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20010102111210 its reverse (1211120101002), we get a palindrome (21221222212212).

The spelling of 20010102111210 in words is "twenty trillion, ten billion, one hundred two million, one hundred eleven thousand, two hundred ten".