211122102120022 has 4 divisors (see below), whose sum is σ = 316683153180036. Its totient is φ = 105561051060010.

The previous prime is 211122102120019. The next prime is 211122102120049. The reversal of 211122102120022 is 220021201221112.

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

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, 52780525530004 + ... + 52780525530007.

It is an arithmetic number, because the mean of its divisors is an integer number (79170788295009).

Almost surely, 2^{211122102120022} is an apocalyptic number.

211122102120022 is a deficient number, since it is larger than the sum of its proper divisors (105561051060014).

211122102120022 is a wasteful number, since it uses less digits than its factorization.

211122102120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105561051060013.

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

Adding to 211122102120022 its reverse (220021201221112), we get a palindrome (431143303341134).

The spelling of 211122102120022 in words is "two hundred eleven trillion, one hundred twenty-two billion, one hundred two million, one hundred twenty thousand, twenty-two".