102213041021 has 48 divisors (see below), whose sum is σ = 128992627008. Its totient is φ = 80277120000.

The previous prime is 102213040999. The next prime is 102213041033. The reversal of 102213041021 is 120140312201.

It is a de Polignac number, because none of the positive numbers 2^k-102213041021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102213041921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56439206 + ... + 56441016.

It is an arithmetic number, because the mean of its divisors is an integer number (2687346396).

Almost surely, 2^102213041021 is an apocalyptic number.

It is an amenable number.

102213041021 is a deficient number, since it is larger than the sum of its proper divisors (26779585987).

102213041021 is a wasteful number, since it uses less digits than its factorization.

102213041021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442 (or 2435 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102213041021 its reverse (120140312201), we get a palindrome (222353353222).

The spelling of 102213041021 in words is "one hundred two billion, two hundred thirteen million, forty-one thousand, twenty-one".