121101211022210 has 8 divisors (see below), whose sum is σ = 217982179839996. Its totient is φ = 48440484408880.

The previous prime is 121101211022201. The next prime is 121101211022219. The reversal of 121101211022210 is 12220112101121.

It is an interprime number because it is at equal distance from previous prime (121101211022201) and next prime (121101211022219).

It can be written as a sum of positive squares in 2 ways, for example, as 119387156632249 + 1714054389961 = 10926443^2 + 1309219^2 .

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

It is a super-2 number, since 2×121101211022210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121101211022219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6055060551101 + ... + 6055060551120.

Almost surely, 2^{121101211022210} is an apocalyptic number.

121101211022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121101211022210 is a deficient number, since it is larger than the sum of its proper divisors (96880968817786).

121101211022210 is a wasteful number, since it uses less digits than its factorization.

121101211022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12110121102228.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121101211022210 its reverse (12220112101121), we get a palindrome (133321323123331).

The spelling of 121101211022210 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred eleven million, twenty-two thousand, two hundred ten".