1211102202122 has 8 divisors (see below), whose sum is σ = 1816710581700. Its totient is φ = 605532008224.

The previous prime is 1211102202077. The next prime is 1211102202197. The reversal of 1211102202122 is 2212022011121.

It can be written as a sum of positive squares in 2 ways, for example, as 1173385066441 + 37717135681 = 1083229^2 + 194209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1211102202122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9466997 + ... + 9594072.

Almost surely, 2^{1211102202122} is an apocalyptic number.

1211102202122 is a deficient number, since it is larger than the sum of its proper divisors (605608379578).

1211102202122 is a wasteful number, since it uses less digits than its factorization.

1211102202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19092840.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1211102202122 its reverse (2212022011121), we get a palindrome (3423124213243).

It can be divided in two parts, 121110 and 2202122, that added together give a palindrome (2323232).

The spelling of 1211102202122 in words is "one trillion, two hundred eleven billion, one hundred two million, two hundred two thousand, one hundred twenty-two".