102022012090 has 16 divisors (see below), whose sum is σ = 184960772640. Its totient is φ = 40515215760.

The previous prime is 102022012051. The next prime is 102022012097. The reversal of 102022012090 is 90210220201.

It is not an unprimeable number, because it can be changed into a prime (102022012097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36697176 + ... + 36699955.

It is an arithmetic number, because the mean of its divisors is an integer number (11560048290).

Almost surely, 2^102022012090 is an apocalyptic number.

102022012090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102022012090 is a deficient number, since it is larger than the sum of its proper divisors (82938760550).

102022012090 is a wasteful number, since it uses less digits than its factorization.

102022012090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73397277.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102022012090 its reverse (90210220201), we get a palindrome (192232232291).

The spelling of 102022012090 in words is "one hundred two billion, twenty-two million, twelve thousand, ninety".