10011100010121 has 24 divisors (see below), whose sum is σ = 16526478026240. Its totient is φ = 5720553222336.

The previous prime is 10011100010101. The next prime is 10011100010129. The reversal of 10011100010121 is 12101000111001.

It is not a de Polignac number, because 10011100010121 - 2¹⁸ = 10011099747977 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 (10011100010129) 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, 3962856 + ... + 5977158.

Almost surely, 2^{10011100010121} is an apocalyptic number.

It is an amenable number.

10011100010121 is a deficient number, since it is larger than the sum of its proper divisors (6515378016119).

10011100010121 is a wasteful number, since it uses less digits than its factorization.

10011100010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093205 (or 2093202 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 10011100010121 its reverse (12101000111001), we get a palindrome (22112100121122).

The spelling of 10011100010121 in words is "ten trillion, eleven billion, one hundred million, ten thousand, one hundred twenty-one".