121102012210 has 8 divisors (see below), whose sum is σ = 217983621996. Its totient is φ = 48440804880.

The previous prime is 121102012201. The next prime is 121102012219. The reversal of 121102012210 is 12210201121.

It is an interprime number because it is at equal distance from previous prime (121102012201) and next prime (121102012219).

It can be written as a sum of positive squares in 2 ways, for example, as 117627734961 + 3474277249 = 342969^2 + 58943^2 .

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

It is a super-2 number, since 2×121102012210² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121102012219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6055100601 + ... + 6055100620.

Almost surely, 2^121102012210 is an apocalyptic number.

121102012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121102012210 is a deficient number, since it is larger than the sum of its proper divisors (96881609786).

121102012210 is a wasteful number, since it uses less digits than its factorization.

121102012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12110201228.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121102012210 its reverse (12210201121), we get a palindrome (133312213331).

The spelling of 121102012210 in words is "one hundred twenty-one billion, one hundred two million, twelve thousand, two hundred ten".