102021102122200 has 48 divisors (see below), whose sum is σ = 237202570775880. Its totient is φ = 40807837263360.

The previous prime is 102021102122197. The next prime is 102021102122201. The reversal of 102021102122200 is 2221201120201.

It is a happy number.

It is a super-2 number, since 2×102021102122200² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021102122201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9907104 + ... + 17383696.

Almost surely, 2^{102021102122200} is an apocalyptic number.

102021102122200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102021102122200 is an abundant number, since it is smaller than the sum of its proper divisors (135181468653680).

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

102021102122200 is a wasteful number, since it uses less digits than its factorization.

102021102122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7544836 (or 7544827 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102021102122200 its reverse (2221201120201), we get a palindrome (104242303242401).

The spelling of 102021102122200 in words is "one hundred two trillion, twenty-one billion, one hundred two million, one hundred twenty-two thousand, two hundred".