102121001022 has 16 divisors (see below), whose sum is σ = 204266454912. Its totient is φ = 34036258200.

The previous prime is 102121001011. The next prime is 102121001083. The reversal of 102121001022 is 220100121201.

It is a junction number, because it is equal to n+sod(n) for n = 102121000989 and 102121001007.

It is a congruent number.

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, 964354 + ... + 1064997.

It is an arithmetic number, because the mean of its divisors is an integer number (12766653432).

Almost surely, 2^102121001022 is an apocalyptic number.

102121001022 is an abundant number, since it is smaller than the sum of its proper divisors (102145453890).

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

102121001022 is a wasteful number, since it uses less digits than its factorization.

102121001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037743.

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

Adding to 102121001022 its reverse (220100121201), we get a palindrome (322221122223).

The spelling of 102121001022 in words is "one hundred two billion, one hundred twenty-one million, one thousand, twenty-two".