10200021021120 has 112 divisors (see below), whose sum is σ = 37011504872448. Its totient is φ = 2331433374720.

The previous prime is 10200021021107. The next prime is 10200021021121. The reversal of 10200021021120 is 2112012000201.

It is a tau number, because it is divible by the number of its divisors (112).

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

It is a junction number, because it is equal to n+sod(n) for n = 10200021021096 and 10200021021105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200021021121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758923416 + ... + 758936855.

Almost surely, 2^{10200021021120} is an apocalyptic number.

10200021021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10200021021120 is an abundant number, since it is smaller than the sum of its proper divisors (26811483851328).

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

10200021021120 is a wasteful number, since it uses less digits than its factorization.

10200021021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517860298 (or 1517860288 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10200021021120 its reverse (2112012000201), we get a palindrome (12312033021321).

The spelling of 10200021021120 in words is "ten trillion, two hundred billion, twenty-one million, twenty-one thousand, one hundred twenty".