20012202111022 has 16 divisors (see below), whose sum is σ = 32811576260400. Its totient is φ = 9078584271040.

The previous prime is 20012202110959. The next prime is 20012202111073. The reversal of 20012202111022 is 22011120221002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20012202110987 and 20012202111005.

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, 893550247 + ... + 893572642.

It is an arithmetic number, because the mean of its divisors is an integer number (2050723516275).

Almost surely, 2^{20012202111022} is an apocalyptic number.

20012202111022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20012202111022 is a deficient number, since it is larger than the sum of its proper divisors (12799374149378).

20012202111022 is a wasteful number, since it uses less digits than its factorization.

20012202111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787123411.

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

Adding to 20012202111022 its reverse (22011120221002), we get a palindrome (42023322332024).

The spelling of 20012202111022 in words is "twenty trillion, twelve billion, two hundred two million, one hundred eleven thousand, twenty-two".