20112100121102 has 64 divisors (see below), whose sum is σ = 34976949666048. Its totient is φ = 8571942720000.

The previous prime is 20112100121089. The next prime is 20112100121129.

20112100121102 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 603388577 + ... + 603421907.

It is an arithmetic number, because the mean of its divisors is an integer number (546514838532).

Almost surely, 2^{20112100121102} is an apocalyptic number.

20112100121102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20112100121102 is a deficient number, since it is larger than the sum of its proper divisors (14864849544946).

20112100121102 is a wasteful number, since it uses less digits than its factorization.

20112100121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39345.

The product of its (nonzero) digits is 16, while the sum is 14.

It can be divided in two parts, 20112100 and 121102, that added together give a palindrome (20233202).

The spelling of 20112100121102 in words is "twenty trillion, one hundred twelve billion, one hundred million, one hundred twenty-one thousand, one hundred two".