20010011120100 has 108 divisors (see below), whose sum is σ = 62982696766080. Its totient is φ = 5313676536000.

The previous prime is 20010011120053. The next prime is 20010011120119. The reversal of 20010011120100 is 102111001002.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 46298176 + ... + 46728375.

Almost surely, 2^{20010011120100} is an apocalyptic number.

20010011120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010011120100 is an abundant number, since it is smaller than the sum of its proper divisors (42972685645980).

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

20010011120100 is a wasteful number, since it uses less digits than its factorization.

20010011120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93026810 (or 93026800 counting only the distinct ones).

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

Adding to 20010011120100 its reverse (102111001002), we get a palindrome (20112122121102).

The spelling of 20010011120100 in words is "twenty trillion, ten billion, eleven million, one hundred twenty thousand, one hundred".