102220774700 has 216 divisors, whose sum is σ = 256057611264. Its totient is φ = 35110880000.

The previous prime is 102220774681. The next prime is 102220774727. The reversal of 102220774700 is 7477022201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 43478525 + ... + 43480875.

It is an arithmetic number, because the mean of its divisors is an integer number (1185451904).

Almost surely, 2^102220774700 is an apocalyptic number.

102220774700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102220774700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128028805632).

102220774700 is an abundant number, since it is smaller than the sum of its proper divisors (153836836564).

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

102220774700 is a wasteful number, since it uses less digits than its factorization.

102220774700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481 (or 2445 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 32.

Adding to 102220774700 its reverse (7477022201), we get a palindrome (109697796901).

The spelling of 102220774700 in words is "one hundred two billion, two hundred twenty million, seven hundred seventy-four thousand, seven hundred".