102012022201020 has 96 divisors (see below), whose sum is σ = 286233526656000. Its totient is φ = 27146081193984.

The previous prime is 102012022200917. The next prime is 102012022201027. The reversal of 102012022201020 is 20102220210201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012022201027) 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, 742382281 + ... + 742519679.

It is an arithmetic number, because the mean of its divisors is an integer number (2981599236000).

Almost surely, 2^{102012022201020} is an apocalyptic number.

102012022201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102012022201020 is an abundant number, since it is smaller than the sum of its proper divisors (184221504454980).

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

102012022201020 is a wasteful number, since it uses less digits than its factorization.

102012022201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163307 (or 163305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102012022201020 its reverse (20102220210201), we get a palindrome (122114242411221).

The spelling of 102012022201020 in words is "one hundred two trillion, twelve billion, twenty-two million, two hundred one thousand, twenty".