10100121011200 has 264 divisors, whose sum is σ = 28193134881024. Its totient is φ = 3554291712000.

The previous prime is 10100121011159. The next prime is 10100121011203. The reversal of 10100121011200 is 211012100101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10100121011203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8151102 + ... + 9308098.

Almost surely, 2^{10100121011200} is an apocalyptic number.

10100121011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10100121011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14096567440512).

10100121011200 is an abundant number, since it is smaller than the sum of its proper divisors (18093013869824).

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

10100121011200 is a wasteful number, since it uses less digits than its factorization.

10100121011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157069 (or 1157046 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10100121011200 its reverse (211012100101), we get a palindrome (10311133111301).

The spelling of 10100121011200 in words is "ten trillion, one hundred billion, one hundred twenty-one million, eleven thousand, two hundred".