102201011010 has 128 divisors (see below), whose sum is σ = 316576166400. Its totient is φ = 22977250560.

The previous prime is 102201010979. The next prime is 102201011041. The reversal of 102201011010 is 10110102201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102201010979) and next prime (102201011041).

It is a super-2 number, since 2×102201011010² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 102201010983 and 102201011001.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 327945 + ... + 558524.

It is an arithmetic number, because the mean of its divisors is an integer number (2473251300).

Almost surely, 2^102201011010 is an apocalyptic number.

102201011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102201011010 is an abundant number, since it is smaller than the sum of its proper divisors (214375155390).

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

102201011010 is a wasteful number, since it uses less digits than its factorization.

102201011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886553 (or 886547 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 102201011010 its reverse (10110102201), we get a palindrome (112311113211).

The spelling of 102201011010 in words is "one hundred two billion, two hundred one million, eleven thousand, ten".