1201122210222 has 56 divisors (see below), whose sum is σ = 2946861039960. Its totient is φ = 363976422480.

The previous prime is 1201122210149. The next prime is 1201122210247. The reversal of 1201122210222 is 2220122211021.

It is a happy number.

1201122210222 is a `hidden beast` number, since 120 + 112 + 2 + 210 + 222 = 666.

It is a super-2 number, since 2×1201122210222² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1201122210195 and 1201122210204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 37430097 + ... + 37462172.

Almost surely, 2^{1201122210222} is an apocalyptic number.

1201122210222 is an abundant number, since it is smaller than the sum of its proper divisors (1745738829738).

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

1201122210222 is an equidigital number, since it uses as much as digits as its factorization.

1201122210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74892300 (or 74892285 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1201122210222 its reverse (2220122211021), we get a palindrome (3421244421243).

It can be divided in two parts, 1201122 and 210222, that added together give a square (1411344 = 1188²).

The spelling of 1201122210222 in words is "one trillion, two hundred one billion, one hundred twenty-two million, two hundred ten thousand, two hundred twenty-two".