201011121022 has 16 divisors (see below), whose sum is σ = 303285986640. Its totient is φ = 99917393728.

The previous prime is 201011120987. The next prime is 201011121023. The reversal of 201011121022 is 220121110102.

It is a super-2 number, since 2×201011121022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201011120993 and 201011121011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011121023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148783 + ... + 651274.

It is an arithmetic number, because the mean of its divisors is an integer number (18955374165).

Almost surely, 2^201011121022 is an apocalyptic number.

201011121022 is a deficient number, since it is larger than the sum of its proper divisors (102274865618).

201011121022 is a wasteful number, since it uses less digits than its factorization.

201011121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800795.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201011121022 its reverse (220121110102), we get a palindrome (421132231124).

The spelling of 201011121022 in words is "two hundred one billion, eleven million, one hundred twenty-one thousand, twenty-two".