102202001101020 has 48 divisors (see below), whose sum is σ = 287603621222400. Its totient is φ = 27116912851776.

The previous prime is 102202001101009. The next prime is 102202001101021. The reversal of 102202001101020 is 20101100202201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102202001100987 and 102202001101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202001101021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4279803852 + ... + 4279827731.

It is an arithmetic number, because the mean of its divisors is an integer number (5991742108800).

Almost surely, 2^{102202001101020} is an apocalyptic number.

102202001101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102202001101020 is an abundant number, since it is smaller than the sum of its proper divisors (185401620121380).

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

102202001101020 is a wasteful number, since it uses less digits than its factorization.

102202001101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8559631794 (or 8559631792 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102202001101020 its reverse (20101100202201), we get a palindrome (122303101303221).

The spelling of 102202001101020 in words is "one hundred two trillion, two hundred two billion, one million, one hundred one thousand, twenty".