102220111070 has 128 divisors (see below), whose sum is σ = 244443847680. Its totient is φ = 29795051520.

The previous prime is 102220111069. The next prime is 102220111129. The reversal of 102220111070 is 70111022201.

It is a super-2 number, since 2×102220111070² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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, 2030261 + ... + 2079999.

It is an arithmetic number, because the mean of its divisors is an integer number (1909717560).

Almost surely, 2^102220111070 is an apocalyptic number.

102220111070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102220111070 is an abundant number, since it is smaller than the sum of its proper divisors (142223736610).

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

102220111070 is a wasteful number, since it uses less digits than its factorization.

102220111070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49938.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 102220111070 its reverse (70111022201), we get a palindrome (172331133271).

The spelling of 102220111070 in words is "one hundred two billion, two hundred twenty million, one hundred eleven thousand, seventy".