11012010121 has 16 divisors (see below), whose sum is σ = 12704342400. Its totient is φ = 9349579008.

The previous prime is 11012010077. The next prime is 11012010131. The reversal of 11012010121 is 12101021011.

It is not a de Polignac number, because 11012010121 - 2²³ = 11003621513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012010098 and 11012010107.

It is not an unprimeable number, because it can be changed into a prime (11012010131) 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, 1720395 + ... + 1726783.

It is an arithmetic number, because the mean of its divisors is an integer number (794021400).

Almost surely, 2^11012010121 is an apocalyptic number.

It is an amenable number.

11012010121 is a deficient number, since it is larger than the sum of its proper divisors (1692332279).

11012010121 is a wasteful number, since it uses less digits than its factorization.

11012010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8688.

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

Adding to 11012010121 its reverse (12101021011), we get a palindrome (23113031132).

The spelling of 11012010121 in words is "eleven billion, twelve million, ten thousand, one hundred twenty-one".