1202221102122 has 16 divisors (see below), whose sum is σ = 2671602449280. Its totient is φ = 400740367356.

The previous prime is 1202221102111. The next prime is 1202221102127. The reversal of 1202221102122 is 2212011222021.

It is a happy number.

1202221102122 is a `hidden beast` number, since 120 + 222 + 110 + 212 + 2 = 666.

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 = 1202221102095 and 1202221102104.

It is not an unprimeable number, because it can be changed into a prime (1202221102127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11131676818 + ... + 11131676925.

It is an arithmetic number, because the mean of its divisors is an integer number (166975153080).

Almost surely, 2^{1202221102122} is an apocalyptic number.

1202221102122 is an abundant number, since it is smaller than the sum of its proper divisors (1469381347158).

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

1202221102122 is a wasteful number, since it uses less digits than its factorization.

1202221102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22263353754 (or 22263353748 counting only the distinct ones).

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

Adding to 1202221102122 its reverse (2212011222021), we get a palindrome (3414232324143).

The spelling of 1202221102122 in words is "one trillion, two hundred two billion, two hundred twenty-one million, one hundred two thousand, one hundred twenty-two".