201122022121022 has 4 divisors (see below), whose sum is σ = 301683033181536. Its totient is φ = 100561011060510.

The previous prime is 201122022120997. The next prime is 201122022121037. The reversal of 201122022121022 is 220121220221102.

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

It is a super-2 number, since 2×201122022121022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201122022120985 and 201122022121003.

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, 50280505530254 + ... + 50280505530257.

It is an arithmetic number, because the mean of its divisors is an integer number (75420758295384).

Almost surely, 2^{201122022121022} is an apocalyptic number.

201122022121022 is a deficient number, since it is larger than the sum of its proper divisors (100561011060514).

201122022121022 is a wasteful number, since it uses less digits than its factorization.

201122022121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100561011060513.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201122022121022 its reverse (220121220221102), we get a palindrome (421243242342124).

The spelling of 201122022121022 in words is "two hundred one trillion, one hundred twenty-two billion, twenty-two million, one hundred twenty-one thousand, twenty-two".