20111022012202 has 32 divisors (see below), whose sum is σ = 33753381053184. Its totient is φ = 8908477612800.

The previous prime is 20111022012199. The next prime is 20111022012239. The reversal of 20111022012202 is 20221022011102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41496699 + ... + 41978542.

It is an arithmetic number, because the mean of its divisors is an integer number (1054793157912).

Almost surely, 2^{20111022012202} is an apocalyptic number.

20111022012202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20111022012202 is a deficient number, since it is larger than the sum of its proper divisors (13642359040982).

20111022012202 is a wasteful number, since it uses less digits than its factorization.

20111022012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83475534.

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

Adding to 20111022012202 its reverse (20221022011102), we get a palindrome (40332044023304).

The spelling of 20111022012202 in words is "twenty trillion, one hundred eleven billion, twenty-two million, twelve thousand, two hundred two".