200121220211102 has 64 divisors (see below), whose sum is σ = 333243174850560. Its totient is φ = 89650233716736.

The previous prime is 200121220211089. The next prime is 200121220211147. The reversal of 200121220211102 is 201112022121002.

It is a super-2 number, since 2×200121220211102² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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, 316850423 + ... + 317481389.

It is an arithmetic number, because the mean of its divisors is an integer number (5206924607040).

Almost surely, 2^{200121220211102} is an apocalyptic number.

200121220211102 is a deficient number, since it is larger than the sum of its proper divisors (133121954639458).

200121220211102 is a wasteful number, since it uses less digits than its factorization.

200121220211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632945.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200121220211102 its reverse (201112022121002), we get a palindrome (401233242332104).

The spelling of 200121220211102 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty million, two hundred eleven thousand, one hundred two".