20012201111010 has 48 divisors (see below), whose sum is σ = 48500114373504. Its totient is φ = 5284775354976.

The previous prime is 20012201110981. The next prime is 20012201111039. The reversal of 20012201111010 is 1011110221002.

It is an interprime number because it is at equal distance from previous prime (20012201110981) and next prime (20012201111039).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31120762 + ... + 31757301.

It is an arithmetic number, because the mean of its divisors is an integer number (1010419049448).

Almost surely, 2^{20012201111010} is an apocalyptic number.

20012201111010 is an abundant number, since it is smaller than the sum of its proper divisors (28487913262494).

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

20012201111010 is a wasteful number, since it uses less digits than its factorization.

20012201111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62878279 (or 62878176 counting only the distinct ones).

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

Adding to 20012201111010 its reverse (1011110221002), we get a palindrome (21023311332012).

The spelling of 20012201111010 in words is "twenty trillion, twelve billion, two hundred one million, one hundred eleven thousand, ten".