201102121222012 has 12 divisors (see below), whose sum is σ = 351928903946760. Its totient is φ = 100551005808656.

The previous prime is 201102121221997. The next prime is 201102121222043. The reversal of 201102121222012 is 210222121201102.

It is a congruent number.

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, 4801798 + ... + 20621869.

It is an arithmetic number, because the mean of its divisors is an integer number (29327408662230).

Almost surely, 2^{201102121222012} is an apocalyptic number.

It is an amenable number.

201102121222012 is a deficient number, since it is larger than the sum of its proper divisors (150826782724748).

201102121222012 is a wasteful number, since it uses less digits than its factorization.

201102121222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27401180 (or 27401178 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201102121222012 its reverse (210222121201102), we get a palindrome (411324242423114).

The spelling of 201102121222012 in words is "two hundred one trillion, one hundred two billion, one hundred twenty-one million, two hundred twenty-two thousand, twelve".