1122211022202 has 24 divisors (see below), whose sum is σ = 2537172746784. Its totient is φ = 357806412744.

The previous prime is 1122211022197. The next prime is 1122211022213. The reversal of 1122211022202 is 2022201122211.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1355326908 + ... + 1355327735.

It is an arithmetic number, because the mean of its divisors is an integer number (105715531116).

Almost surely, 2^{1122211022202} is an apocalyptic number.

1122211022202 is an abundant number, since it is smaller than the sum of its proper divisors (1414961724582).

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

1122211022202 is a wasteful number, since it uses less digits than its factorization.

1122211022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710654674 (or 2710654671 counting only the distinct ones).

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

Adding to 1122211022202 its reverse (2022201122211), we get a palindrome (3144412144413).

The spelling of 1122211022202 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, twenty-two thousand, two hundred two".