201002210021122 has 8 divisors (see below), whose sum is σ = 301503768381900. Its totient is φ = 100500953893824.

The previous prime is 201002210021089. The next prime is 201002210021141. The reversal of 201002210021122 is 221120012200102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 198914043408721 + 2088166612401 = 14103689^2 + 1445049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×201002210021122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201002210021096 and 201002210021105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73888347 + ... + 76560382.

Almost surely, 2^{201002210021122} is an apocalyptic number.

201002210021122 is a deficient number, since it is larger than the sum of its proper divisors (100501558360778).

201002210021122 is a wasteful number, since it uses less digits than its factorization.

201002210021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151116740.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201002210021122 its reverse (221120012200102), we get a palindrome (422122222221224).

The spelling of 201002210021122 in words is "two hundred one trillion, two billion, two hundred ten million, twenty-one thousand, one hundred twenty-two".