102023021121 has 32 divisors (see below), whose sum is σ = 162682767360. Its totient is φ = 55606070784.

The previous prime is 102023021101. The next prime is 102023021159. The reversal of 102023021121 is 121120320201.

It is not a de Polignac number, because 102023021121 - 2⁷ = 102023020993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102023021121.

It is not an unprimeable number, because it can be changed into a prime (102023021101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128691 + ... + 469688.

It is an arithmetic number, because the mean of its divisors is an integer number (5083836480).

Almost surely, 2^102023021121 is an apocalyptic number.

It is an amenable number.

102023021121 is a deficient number, since it is larger than the sum of its proper divisors (60659746239).

102023021121 is a wasteful number, since it uses less digits than its factorization.

102023021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598765.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102023021121 its reverse (121120320201), we get a palindrome (223143341322).

The spelling of 102023021121 in words is "one hundred two billion, twenty-three million, twenty-one thousand, one hundred twenty-one".