1122101142 has 16 divisors (see below), whose sum is σ = 2269419120. Its totient is φ = 369830912.

The previous prime is 1122101119. The next prime is 1122101143. The reversal of 1122101142 is 2411012211.

It is a super-2 number, since 2×1122101142² = 2518221945755408328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122101143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050123 + ... + 1051190.

It is an arithmetic number, because the mean of its divisors is an integer number (141838695).

Almost surely, 2^1122101142 is an apocalyptic number.

1122101142 is an abundant number, since it is smaller than the sum of its proper divisors (1147317978).

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

1122101142 is a wasteful number, since it uses less digits than its factorization.

1122101142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101407.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1122101142 is about 33497.7781651261. The cubic root of 1122101142 is about 1039.1478294167.

Adding to 1122101142 its reverse (2411012211), we get a palindrome (3533113353).

The spelling of 1122101142 in words is "one billion, one hundred twenty-two million, one hundred one thousand, one hundred forty-two".