201002011122 has 64 divisors (see below), whose sum is σ = 443867776128. Its totient is φ = 60173760000.

The previous prime is 201002011117. The next prime is 201002011141. The reversal of 201002011122 is 221110200102.

It is a super-2 number, since 2×201002011122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201002011098 and 201002011107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3013372 + ... + 3079352.

It is an arithmetic number, because the mean of its divisors is an integer number (6935434002).

Almost surely, 2^201002011122 is an apocalyptic number.

201002011122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 201002011122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221933888064).

201002011122 is an abundant number, since it is smaller than the sum of its proper divisors (242865765006).

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

201002011122 is a wasteful number, since it uses less digits than its factorization.

201002011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66555.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201002011122 its reverse (221110200102), we get a palindrome (422112211224).

It can be divided in two parts, 20100201 and 1122, that multiplied together give a palindrome (22552425522).

The spelling of 201002011122 in words is "two hundred one billion, two million, eleven thousand, one hundred twenty-two".