102220022121220 has 24 divisors (see below), whose sum is σ = 214674336765504. Its totient is φ = 40885667836896.

The previous prime is 102220022121211. The next prime is 102220022121233. The reversal of 102220022121220 is 22121220022201.

It is a super-2 number, since 2×102220022121220² (a number of 29 digits) contains 22 as substring.

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, 145955152 + ... + 146653831.

It is an arithmetic number, because the mean of its divisors is an integer number (8944764031896).

Almost surely, 2^{102220022121220} is an apocalyptic number.

102220022121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220022121220 is an abundant number, since it is smaller than the sum of its proper divisors (112454314644284).

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

102220022121220 is a wasteful number, since it uses less digits than its factorization.

102220022121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292626459 (or 292626457 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102220022121220 its reverse (22121220022201), we get a palindrome (124341242143421).

The spelling of 102220022121220 in words is "one hundred two trillion, two hundred twenty billion, twenty-two million, one hundred twenty-one thousand, two hundred twenty".