100220112101020 has 48 divisors (see below), whose sum is σ = 218995630051968. Its totient is φ = 38494822645760.

The previous prime is 100220112100951. The next prime is 100220112101071. The reversal of 100220112101020 is 20101211022001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005772261 + ... + 1005871900.

It is an arithmetic number, because the mean of its divisors is an integer number (4562408959416).

Almost surely, 2^{100220112101020} is an apocalyptic number.

100220112101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220112101020 is an abundant number, since it is smaller than the sum of its proper divisors (118775517950948).

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

100220112101020 is a wasteful number, since it uses less digits than its factorization.

100220112101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011644270 (or 2011644268 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100220112101020 its reverse (20101211022001), we get a palindrome (120321323123021).

The spelling of 100220112101020 in words is "one hundred trillion, two hundred twenty billion, one hundred twelve million, one hundred one thousand, twenty".