201121001120022 has 64 divisors (see below), whose sum is σ = 416200375353600. Its totient is φ = 64758514867200.

The previous prime is 201121001120021. The next prime is 201121001120027. The reversal of 201121001120022 is 220021100121102.

It is a junction number, because it is equal to n+sod(n) for n = 201121001119983 and 201121001120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121001120021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1062247 + ... + 20084082.

It is an arithmetic number, because the mean of its divisors is an integer number (6503130864900).

Almost surely, 2^{201121001120022} is an apocalyptic number.

201121001120022 is an abundant number, since it is smaller than the sum of its proper divisors (215079374233578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201121001120022 is a wasteful number, since it uses less digits than its factorization.

201121001120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21146861.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201121001120022 its reverse (220021100121102), we get a palindrome (421142101241124).

The spelling of 201121001120022 in words is "two hundred one trillion, one hundred twenty-one billion, one million, one hundred twenty thousand, twenty-two".