101021122100 has 36 divisors (see below), whose sum is σ = 228746963424. Its totient is φ = 38651558880.

The previous prime is 101021122093. The next prime is 101021122121. The reversal of 101021122100 is 1221120101.

It is a super-2 number, since 2×101021122100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21958814 + ... + 21963413.

Almost surely, 2^101021122100 is an apocalyptic number.

101021122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101021122100 is an abundant number, since it is smaller than the sum of its proper divisors (127725841324).

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

101021122100 is a wasteful number, since it uses less digits than its factorization.

101021122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43922264 (or 43922257 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101021122100 its reverse (1221120101), we get a palindrome (102242242201).

The spelling of 101021122100 in words is "one hundred one billion, twenty-one million, one hundred twenty-two thousand, one hundred".