1121142022 has 64 divisors (see below), whose sum is σ = 2280305664. Its totient is φ = 399219840.

The previous prime is 1121141971. The next prime is 1121142023. The reversal of 1121142022 is 2202411211.

It is a junction number, because it is equal to n+sod(n) for n = 1121141987 and 1121142005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121142023) 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, 203488 + ... + 208924.

It is an arithmetic number, because the mean of its divisors is an integer number (35629776).

Almost surely, 2^1121142022 is an apocalyptic number.

1121142022 is an abundant number, since it is smaller than the sum of its proper divisors (1159163642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121142022 is a wasteful number, since it uses less digits than its factorization.

1121142022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5573.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1121142022 is about 33483.4589312395. The cubic root of 1121142022 is about 1038.8516732349.

Adding to 1121142022 its reverse (2202411211), we get a palindrome (3323553233).

The spelling of 1121142022 in words is "one billion, one hundred twenty-one million, one hundred forty-two thousand, twenty-two".