221011020110122 has 24 divisors (see below), whose sum is σ = 364398347926116. Its totient is φ = 100458411768000.

The previous prime is 221011020110113. The next prime is 221011020110189.

221011020110122 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 147306065054841 + 73704955055281 = 12136971^2 + 8585159^2 .

It is a super-2 number, since 2×221011020110122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221011020110096 and 221011020110105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16305622 + ... + 26606302.

Almost surely, 2^{221011020110122} is an apocalyptic number.

221011020110122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221011020110122 is a deficient number, since it is larger than the sum of its proper divisors (143387327815994).

221011020110122 is a wasteful number, since it uses less digits than its factorization.

221011020110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10389366 (or 10389355 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

The spelling of 221011020110122 in words is "two hundred twenty-one trillion, eleven billion, twenty million, one hundred ten thousand, one hundred twenty-two".