1120122021 has 16 divisors (see below), whose sum is σ = 1522437120. Its totient is φ = 732338160.

The previous prime is 1120122019. The next prime is 1120122023. The reversal of 1120122021 is 1202210211.

It is an interprime number because it is at equal distance from previous prime (1120122019) and next prime (1120122023).

It is not a de Polignac number, because 1120122021 - 2¹ = 1120122019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120121988 and 1120122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120122023) 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, 68946 + ... + 83628.

It is an arithmetic number, because the mean of its divisors is an integer number (95152320).

Almost surely, 2^1120122021 is an apocalyptic number.

It is an amenable number.

1120122021 is a deficient number, since it is larger than the sum of its proper divisors (402315099).

1120122021 is a wasteful number, since it uses less digits than its factorization.

1120122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15176.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1120122021 is about 33468.2240490887. The cubic root of 1120122021 is about 1038.5365328890.

Adding to 1120122021 its reverse (1202210211), we get a palindrome (2322332232).

The spelling of 1120122021 in words is "one billion, one hundred twenty million, one hundred twenty-two thousand, twenty-one".