20111400222102 has 24 divisors (see below), whose sum is σ = 49799657693136. Its totient is φ = 5746114349136.

The previous prime is 20111400222059. The next prime is 20111400222113. The reversal of 20111400222102 is 20122200411102.

20111400222102 is a `hidden beast` number, since 20 + 1 + 11 + 400 + 22 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79807143613 + ... + 79807143864.

It is an arithmetic number, because the mean of its divisors is an integer number (2074985737214).

Almost surely, 2^{20111400222102} is an apocalyptic number.

20111400222102 is an abundant number, since it is smaller than the sum of its proper divisors (29688257471034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20111400222102 is a wasteful number, since it uses less digits than its factorization.

20111400222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159614287492 (or 159614287489 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20111400222102 its reverse (20122200411102), we get a palindrome (40233600633204).

The spelling of 20111400222102 in words is "twenty trillion, one hundred eleven billion, four hundred million, two hundred twenty-two thousand, one hundred two".