210220121102 has 16 divisors (see below), whose sum is σ = 318277429920. Its totient is φ = 104128561152.

The previous prime is 210220121093. The next prime is 210220121171. The reversal of 210220121102 is 201121022012.

It is a super-2 number, since 2×210220121102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232718 + ... + 688910.

It is an arithmetic number, because the mean of its divisors is an integer number (19892339370).

Almost surely, 2^210220121102 is an apocalyptic number.

210220121102 is a deficient number, since it is larger than the sum of its proper divisors (108057308818).

210220121102 is a wasteful number, since it uses less digits than its factorization.

210220121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458347.

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

Adding to 210220121102 its reverse (201121022012), we get a palindrome (411341143114).

The spelling of 210220121102 in words is "two hundred ten billion, two hundred twenty million, one hundred twenty-one thousand, one hundred two".