221002011122 has 32 divisors (see below), whose sum is σ = 344129917824. Its totient is φ = 106367788800.

The previous prime is 221002011121. The next prime is 221002011127. The reversal of 221002011122 is 221110200122.

It is a super-2 number, since 2×221002011122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221002011097 and 221002011106.

It is not an unprimeable number, because it can be changed into a prime (221002011121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19051028 + ... + 19062624.

It is an arithmetic number, because the mean of its divisors is an integer number (10754059932).

Almost surely, 2^221002011122 is an apocalyptic number.

221002011122 is a deficient number, since it is larger than the sum of its proper divisors (123127906702).

221002011122 is a wasteful number, since it uses less digits than its factorization.

221002011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14834.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221002011122 its reverse (221110200122), we get a palindrome (442112211244).

The spelling of 221002011122 in words is "two hundred twenty-one billion, two million, eleven thousand, one hundred twenty-two".