102220121001 has 24 divisors (see below), whose sum is σ = 146167084224. Its totient is φ = 63422061120.

The previous prime is 102220120999. The next prime is 102220121021. The reversal of 102220121001 is 100121022201.

It is not a de Polignac number, because 102220121001 - 2¹ = 102220120999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102220121021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 446610 + ... + 635531.

It is an arithmetic number, because the mean of its divisors is an integer number (6090295176).

Almost surely, 2^102220121001 is an apocalyptic number.

It is an amenable number.

102220121001 is a deficient number, since it is larger than the sum of its proper divisors (43946963223).

102220121001 is a wasteful number, since it uses less digits than its factorization.

102220121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082241 (or 1082204 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102220121001 its reverse (100121022201), we get a palindrome (202341143202).

The spelling of 102220121001 in words is "one hundred two billion, two hundred twenty million, one hundred twenty-one thousand, one".