11542122210 has 32 divisors (see below), whose sum is σ = 28170607680. Its totient is φ = 3025731008.

The previous prime is 11542122203. The next prime is 11542122233. The reversal of 11542122210 is 1222124511.

It is a super-2 number, since 2×11542122210² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3258717 + ... + 3262256.

It is an arithmetic number, because the mean of its divisors is an integer number (880331490).

Almost surely, 2^11542122210 is an apocalyptic number.

11542122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11542122210 is an abundant number, since it is smaller than the sum of its proper divisors (16628485470).

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

11542122210 is a wasteful number, since it uses less digits than its factorization.

11542122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521042.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 11542122210 its reverse (1222124511), we get a palindrome (12764246721).

The spelling of 11542122210 in words is "eleven billion, five hundred forty-two million, one hundred twenty-two thousand, two hundred ten".