122111010022210 has 48 divisors (see below), whose sum is σ = 243990208208376. Its totient is φ = 43964360000000.

The previous prime is 122111010022201. The next prime is 122111010022223. The reversal of 122111010022210 is 12220010111221.

It can be written as a sum of positive squares in 4 ways, for example, as 118379209008841 + 3731801013369 = 10880221^2 + 1931787^2 .

It is a super-2 number, since 2×122111010022210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499472791 + ... + 499717210.

Almost surely, 2^{122111010022210} is an apocalyptic number.

122111010022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122111010022210 is a deficient number, since it is larger than the sum of its proper divisors (121879198186166).

122111010022210 is a wasteful number, since it uses less digits than its factorization.

122111010022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999190131 (or 999190120 counting only the distinct ones).

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

Adding to 122111010022210 its reverse (12220010111221), we get a palindrome (134331020133431).

The spelling of 122111010022210 in words is "one hundred twenty-two trillion, one hundred eleven billion, ten million, twenty-two thousand, two hundred ten".