20112411421102 has 128 divisors (see below), whose sum is σ = 40725004336128. Its totient is φ = 7194243225600.

The previous prime is 20112411421093. The next prime is 20112411421103.

20112411421102 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112411421103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 306479398 + ... + 306545014.

It is an arithmetic number, because the mean of its divisors is an integer number (318164096376).

Almost surely, 2^{20112411421102} is an apocalyptic number.

20112411421102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20112411421102 is an abundant number, since it is smaller than the sum of its proper divisors (20612592915026).

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

20112411421102 is a wasteful number, since it uses less digits than its factorization.

20112411421102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66474.

The product of its (nonzero) digits is 256, while the sum is 22.

It can be divided in two parts, 2011241 and 1421102, that added together give a palindrome (3432343).

The spelling of 20112411421102 in words is "twenty trillion, one hundred twelve billion, four hundred eleven million, four hundred twenty-one thousand, one hundred two".