1000000010121 has 32 divisors (see below), whose sum is σ = 1538041190400. Its totient is φ = 566116366464.

The previous prime is 1000000010117. The next prime is 1000000010123. The reversal of 1000000010121 is 1210100000001.

1000000010121 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 1000000010121 - 2² = 1000000010117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000000010123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460206 + ... + 1487208.

It is an arithmetic number, because the mean of its divisors is an integer number (48063787200).

Almost surely, 2^{1000000010121} is an apocalyptic number.

It is an amenable number.

1000000010121 is a deficient number, since it is larger than the sum of its proper divisors (538041180279).

1000000010121 is a wasteful number, since it uses less digits than its factorization.

1000000010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027445.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 1000000010121 its reverse (1210100000001), we get a palindrome (2210100010122).

The spelling of 1000000010121 in words is "one trillion, ten thousand, one hundred twenty-one".