102211111022020 has 192 divisors, whose sum is σ = 291664650203136. Its totient is φ = 29053086174720.

The previous prime is 102211111022017. The next prime is 102211111022039. The reversal of 102211111022020 is 20220111112201.

It is a super-2 number, since 2×102211111022020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102211111021985 and 102211111022003.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29094064 + ... + 32417383.

It is an arithmetic number, because the mean of its divisors is an integer number (1519086719808).

Almost surely, 2^{102211111022020} is an apocalyptic number.

102211111022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102211111022020 is an abundant number, since it is smaller than the sum of its proper divisors (189453539181116).

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

102211111022020 is a wasteful number, since it uses less digits than its factorization.

102211111022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61511570 (or 61511568 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102211111022020 its reverse (20220111112201), we get a palindrome (122431222134221).

The spelling of 102211111022020 in words is "one hundred two trillion, two hundred eleven billion, one hundred eleven million, twenty-two thousand, twenty".