20121122020102 has 16 divisors (see below), whose sum is σ = 30481554778272. Its totient is φ = 9960610579200.

The previous prime is 20121122020093. The next prime is 20121122020177. The reversal of 20121122020102 is 20102022112102.

It is a happy number.

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, 4263703 + ... + 7643389.

It is an arithmetic number, because the mean of its divisors is an integer number (1905097173642).

Almost surely, 2^{20121122020102} is an apocalyptic number.

20121122020102 is a deficient number, since it is larger than the sum of its proper divisors (10360432758170).

20121122020102 is a wasteful number, since it uses less digits than its factorization.

20121122020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409263.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20121122020102 its reverse (20102022112102), we get a palindrome (40223144132204).

The spelling of 20121122020102 in words is "twenty trillion, one hundred twenty-one billion, one hundred twenty-two million, twenty thousand, one hundred two".