1211022102122 has 48 divisors (see below), whose sum is σ = 2167324205760. Its totient is φ = 505724990400.

The previous prime is 1211022102091. The next prime is 1211022102133. The reversal of 1211022102122 is 2212012201121.

It is a super-3 number, since 3×1211022102122³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1211022102122.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3072779 + ... + 3444417.

It is an arithmetic number, because the mean of its divisors is an integer number (45152587620).

Almost surely, 2^{1211022102122} is an apocalyptic number.

1211022102122 is a deficient number, since it is larger than the sum of its proper divisors (956302103638).

1211022102122 is a wasteful number, since it uses less digits than its factorization.

1211022102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372507 (or 372500 counting only the distinct ones).

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

Adding to 1211022102122 its reverse (2212012201121), we get a palindrome (3423034303243).

The spelling of 1211022102122 in words is "one trillion, two hundred eleven billion, twenty-two million, one hundred two thousand, one hundred twenty-two".