201121022212102 has 4 divisors (see below), whose sum is σ = 301681533318156. Its totient is φ = 100560511106050.

The previous prime is 201121022212087. The next prime is 201121022212141. The reversal of 201121022212102 is 201212220121102.

201121022212102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×201121022212102² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201121022212102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50280255553024 + ... + 50280255553027.

It is an arithmetic number, because the mean of its divisors is an integer number (75420383329539).

Almost surely, 2^{201121022212102} is an apocalyptic number.

201121022212102 is a deficient number, since it is larger than the sum of its proper divisors (100560511106054).

201121022212102 is a wasteful number, since it uses less digits than its factorization.

201121022212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100560511106053.

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

Adding to 201121022212102 its reverse (201212220121102), we get a palindrome (402333242333204).

The spelling of 201121022212102 in words is "two hundred one trillion, one hundred twenty-one billion, twenty-two million, two hundred twelve thousand, one hundred two".