10100200010121 has 48 divisors (see below), whose sum is σ = 15832311179776. Its totient is φ = 6167861676288.

The previous prime is 10100200010111. The next prime is 10100200010183. The reversal of 10100200010121 is 12101000200101.

It is a happy number.

10100200010121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10100200010121 - 2⁶ = 10100200010057 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (10100200010111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7548090 + ... + 8784876.

Almost surely, 2^{10100200010121} is an apocalyptic number.

It is an amenable number.

10100200010121 is a deficient number, since it is larger than the sum of its proper divisors (5732111169655).

10100200010121 is a wasteful number, since it uses less digits than its factorization.

10100200010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237342 (or 1237339 counting only the distinct ones).

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

Adding to 10100200010121 its reverse (12101000200101), we get a palindrome (22201200210222).

The spelling of 10100200010121 in words is "ten trillion, one hundred billion, two hundred million, ten thousand, one hundred twenty-one".