102211020020 has 48 divisors (see below), whose sum is σ = 219354643200. Its totient is φ = 39996478080.

The previous prime is 102211019959. The next prime is 102211020029. The reversal of 102211020020 is 20020112201.

It is a happy number.

It is a super-2 number, since 2×102211020020² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102211019983 and 102211020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211020029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124526 + ... + 468965.

It is an arithmetic number, because the mean of its divisors is an integer number (4569888400).

Almost surely, 2^102211020020 is an apocalyptic number.

102211020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102211020020 is an abundant number, since it is smaller than the sum of its proper divisors (117143623180).

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

102211020020 is a wasteful number, since it uses less digits than its factorization.

102211020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593688 (or 593686 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102211020020 its reverse (20020112201), we get a palindrome (122231132221).

The spelling of 102211020020 in words is "one hundred two billion, two hundred eleven million, twenty thousand, twenty".