11012120122 has 4 divisors (see below), whose sum is σ = 16518180186. Its totient is φ = 5506060060.

The previous prime is 11012120087. The next prime is 11012120167. The reversal of 11012120122 is 22102121011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8478910561 + 2533209561 = 92081^2 + 50331^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2753030029 + ... + 2753030032.

Almost surely, 2^11012120122 is an apocalyptic number.

11012120122 is a deficient number, since it is larger than the sum of its proper divisors (5506060064).

11012120122 is an equidigital number, since it uses as much as digits as its factorization.

11012120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5506060063.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11012120122 its reverse (22102121011), we get a palindrome (33114241133).

The spelling of 11012120122 in words is "eleven billion, twelve million, one hundred twenty thousand, one hundred twenty-two".