20022111221222 has 32 divisors (see below), whose sum is σ = 33959817453600. Its totient is φ = 8769869785600.

The previous prime is 20022111221183. The next prime is 20022111221249. The reversal of 20022111221222 is 22212211122002.

It is a junction number, because it is equal to n+sod(n) for n = 20022111221194 and 20022111221203.

It is a congruent number.

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, 30502979 + ... + 31152462.

It is an arithmetic number, because the mean of its divisors is an integer number (1061244295425).

Almost surely, 2^{20022111221222} is an apocalyptic number.

20022111221222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20022111221222 is a deficient number, since it is larger than the sum of its proper divisors (13937706232378).

20022111221222 is a wasteful number, since it uses less digits than its factorization.

20022111221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61655992.

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

Adding to 20022111221222 its reverse (22212211122002), we get a palindrome (42234322343224).

The spelling of 20022111221222 in words is "twenty trillion, twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, two hundred twenty-two".