220021011122 has 32 divisors (see below), whose sum is σ = 375745495680. Its totient is φ = 95706392320.

The previous prime is 220021011121. The next prime is 220021011173. The reversal of 220021011122 is 221110120022.

It is a junction number, because it is equal to n+sod(n) for n = 220021011097 and 220021011106.

It is not an unprimeable number, because it can be changed into a prime (220021011121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453838 + ... + 1598025.

It is an arithmetic number, because the mean of its divisors is an integer number (11742046740).

Almost surely, 2^220021011122 is an apocalyptic number.

220021011122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220021011122 is a deficient number, since it is larger than the sum of its proper divisors (155724484558).

220021011122 is a wasteful number, since it uses less digits than its factorization.

220021011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052018.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220021011122 its reverse (221110120022), we get a palindrome (441131131144).

The spelling of 220021011122 in words is "two hundred twenty billion, twenty-one million, eleven thousand, one hundred twenty-two".