102021022026 has 96 divisors (see below), whose sum is σ = 281213712000. Its totient is φ = 26498949120.

The previous prime is 102021021967. The next prime is 102021022027. The reversal of 102021022026 is 620220120201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102021022027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 683191 + ... + 819018.

It is an arithmetic number, because the mean of its divisors is an integer number (2929309500).

Almost surely, 2^102021022026 is an apocalyptic number.

102021022026 is an abundant number, since it is smaller than the sum of its proper divisors (179192689974).

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

102021022026 is a wasteful number, since it uses less digits than its factorization.

102021022026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502249 (or 1502232 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102021022026 its reverse (620220120201), we get a palindrome (722241142227).

The spelling of 102021022026 in words is "one hundred two billion, twenty-one million, twenty-two thousand, twenty-six".