102121021022 has 8 divisors (see below), whose sum is σ = 158463653400. Its totient is φ = 49299803224.

The previous prime is 102121021021. The next prime is 102121021043. The reversal of 102121021022 is 220120121201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102121020988 and 102121021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121021021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880353572 + ... + 880353687.

It is an arithmetic number, because the mean of its divisors is an integer number (19807956675).

Almost surely, 2^102121021022 is an apocalyptic number.

102121021022 is a deficient number, since it is larger than the sum of its proper divisors (56342632378).

102121021022 is a wasteful number, since it uses less digits than its factorization.

102121021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760707290.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102121021022 its reverse (220120121201), we get a palindrome (322241142223).

The spelling of 102121021022 in words is "one hundred two billion, one hundred twenty-one million, twenty-one thousand, twenty-two".