1102122020 has 24 divisors (see below), whose sum is σ = 2316116544. Its totient is φ = 440532576.

The previous prime is 1102121989. The next prime is 1102122023. The reversal of 1102122020 is 202212011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1102121992 and 1102122010.

It is not an unprimeable number, because it can be changed into a prime (1102122023) 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, 9899 + ... + 47981.

It is an arithmetic number, because the mean of its divisors is an integer number (96504856).

Almost surely, 2^1102122020 is an apocalyptic number.

1102122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102122020 is an abundant number, since it is smaller than the sum of its proper divisors (1213994524).

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

1102122020 is a wasteful number, since it uses less digits than its factorization.

1102122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39539 (or 39537 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1102122020 is about 33198.2231452227. The cubic root of 1102122020 is about 1032.9434827215.

Adding to 1102122020 its reverse (202212011), we get a palindrome (1304334031).

The spelling of 1102122020 in words is "one billion, one hundred two million, one hundred twenty-two thousand, twenty".