10100121020120 has 32 divisors (see below), whose sum is σ = 22786197991920. Its totient is φ = 4029217173120.

The previous prime is 10100121020117. The next prime is 10100121020123. The reversal of 10100121020120 is 2102012100101.

It is an interprime number because it is at equal distance from previous prime (10100121020117) and next prime (10100121020123).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100121020123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338460986 + ... + 338490825.

Almost surely, 2^{10100121020120} is an apocalyptic number.

10100121020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100121020120 is an abundant number, since it is smaller than the sum of its proper divisors (12686076971800).

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

10100121020120 is a wasteful number, since it uses less digits than its factorization.

10100121020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676952195 (or 676952191 counting only the distinct ones).

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

Adding to 10100121020120 its reverse (2102012100101), we get a palindrome (12202133120221).

The spelling of 10100121020120 in words is "ten trillion, one hundred billion, one hundred twenty-one million, twenty thousand, one hundred twenty".