102220220021000 has 64 divisors (see below), whose sum is σ = 241312087813680. Its totient is φ = 40526246476800.

The previous prime is 102220220020921. The next prime is 102220220021039. The reversal of 102220220021000 is 120022022201.

It can be written as a sum of positive squares in 8 ways, for example, as 24228466306564 + 77991753714436 = 4922242^2 + 8831294^2 .

It is a super-2 number, since 2×102220220021000² (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 15 ways as a sum of consecutive naturals, for example, 452188859 + ... + 452414858.

Almost surely, 2^{102220220021000} is an apocalyptic number.

102220220021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220220021000 is an abundant number, since it is smaller than the sum of its proper divisors (139091867792680).

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

102220220021000 is a wasteful number, since it uses less digits than its factorization.

102220220021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904603851 (or 904603837 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 102220220021000 its reverse (120022022201), we get a palindrome (102340242043201).

The spelling of 102220220021000 in words is "one hundred two trillion, two hundred twenty billion, two hundred twenty million, twenty-one thousand".