11420522212 has 48 divisors (see below), whose sum is σ = 22917105792. Its totient is φ = 4929140480.

The previous prime is 11420522173. The next prime is 11420522221. The reversal of 11420522212 is 21222502411.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 97458 + ... + 179830.

It is an arithmetic number, because the mean of its divisors is an integer number (477439704).

Almost surely, 2^11420522212 is an apocalyptic number.

It is an amenable number.

11420522212 is an abundant number, since it is smaller than the sum of its proper divisors (11496583580).

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

11420522212 is a wasteful number, since it uses less digits than its factorization.

11420522212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82548 (or 82546 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The spelling of 11420522212 in words is "eleven billion, four hundred twenty million, five hundred twenty-two thousand, two hundred twelve".