20112100123310 has 16 divisors (see below), whose sum is σ = 38986532546976. Its totient is φ = 7426006199328.

The previous prime is 20112100123301. The next prime is 20112100123333. The reversal of 20112100123310 is 1332100121102.

It is a super-2 number, since 2×20112100123310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77354231114 + ... + 77354231373.

It is an arithmetic number, because the mean of its divisors is an integer number (2436658284186).

Almost surely, 2^{20112100123310} is an apocalyptic number.

20112100123310 is a deficient number, since it is larger than the sum of its proper divisors (18874432423666).

20112100123310 is a wasteful number, since it uses less digits than its factorization.

20112100123310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154708462507.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20112100123310 its reverse (1332100121102), we get a palindrome (21444200244412).

The spelling of 20112100123310 in words is "twenty trillion, one hundred twelve billion, one hundred million, one hundred twenty-three thousand, three hundred ten".