120011121002100 has 36 divisors (see below), whose sum is σ = 347232176766944. Its totient is φ = 32002965600480.

The previous prime is 120011121002089. The next prime is 120011121002111. The reversal of 120011121002100 is 1200121110021.

It is an interprime number because it is at equal distance from previous prime (120011121002089) and next prime (120011121002111).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 200018534704 + ... + 200018535303.

Almost surely, 2^{120011121002100} is an apocalyptic number.

120011121002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011121002100 is an abundant number, since it is smaller than the sum of its proper divisors (227221055764844).

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

120011121002100 is a wasteful number, since it uses less digits than its factorization.

120011121002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400037070024 (or 400037070017 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120011121002100 its reverse (1200121110021), we get a palindrome (121211242112121).

The spelling of 120011121002100 in words is "one hundred twenty trillion, eleven billion, one hundred twenty-one million, two thousand, one hundred".