100111021010 has 192 divisors, whose sum is σ = 244777268736. Its totient is φ = 28685352960.

The previous prime is 100111020967. The next prime is 100111021057. The reversal of 100111021010 is 10120111001.

It is a happy number.

It is a super-2 number, since 2×100111021010² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28957202 + ... + 28960658.

It is an arithmetic number, because the mean of its divisors is an integer number (1274881608).

Almost surely, 2^100111021010 is an apocalyptic number.

100111021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100111021010 is an abundant number, since it is smaller than the sum of its proper divisors (144666247726).

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

100111021010 is a wasteful number, since it uses less digits than its factorization.

100111021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769 (or 3758 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 100111021010 its reverse (10120111001), we get a palindrome (110231132011).

It can be divided in two parts, 1001 and 11021010, that added together give a palindrome (11022011).

The spelling of 100111021010 in words is "one hundred billion, one hundred eleven million, twenty-one thousand, ten".