20112100122002 has 32 divisors (see below), whose sum is σ = 35184002400000. Its totient is φ = 8618862374304.

The previous prime is 20112100121999. The next prime is 20112100122007. The reversal of 20112100122002 is 20022100121102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (20112100122007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8746043 + ... + 10803585.

It is an arithmetic number, because the mean of its divisors is an integer number (1099500075000).

Almost surely, 2^{20112100122002} is an apocalyptic number.

20112100122002 is a deficient number, since it is larger than the sum of its proper divisors (15071902277998).

20112100122002 is a wasteful number, since it uses less digits than its factorization.

20112100122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071815 (or 2071801 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20112100122002 its reverse (20022100121102), we get a palindrome (40134200243104).

The spelling of 20112100122002 in words is "twenty trillion, one hundred twelve billion, one hundred million, one hundred twenty-two thousand, two".