220211220021122 has 64 divisors (see below), whose sum is σ = 382936961802240. Its totient is φ = 93922535750400.

The previous prime is 220211220021097. The next prime is 220211220021161. The reversal of 220211220021122 is 221120022112022.

It is a super-2 number, since 2×220211220021122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220211220021094 and 220211220021103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65575847 + ... + 68852117.

It is an arithmetic number, because the mean of its divisors is an integer number (5983390028160).

Almost surely, 2^{220211220021122} is an apocalyptic number.

220211220021122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220211220021122 is a deficient number, since it is larger than the sum of its proper divisors (162725741781118).

220211220021122 is a wasteful number, since it uses less digits than its factorization.

220211220021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277839.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220211220021122 its reverse (221120022112022), we get a palindrome (441331242133144).

The spelling of 220211220021122 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred twenty million, twenty-one thousand, one hundred twenty-two".