121111102022210 has 8 divisors (see below), whose sum is σ = 217999983639996. Its totient is φ = 48444440808880.

The previous prime is 121111102022179. The next prime is 121111102022213. The reversal of 121111102022210 is 12220201111121.

It can be written as a sum of positive squares in 2 ways, for example, as 110904425267689 + 10206676754521 = 10531117^2 + 3194789^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121111102022213) 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, 6055555101101 + ... + 6055555101120.

Almost surely, 2^{121111102022210} is an apocalyptic number.

121111102022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121111102022210 is a deficient number, since it is larger than the sum of its proper divisors (96888881617786).

121111102022210 is a wasteful number, since it uses less digits than its factorization.

121111102022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12111110202228.

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

Adding to 121111102022210 its reverse (12220201111121), we get a palindrome (133331303133331).

The spelling of 121111102022210 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred two million, twenty-two thousand, two hundred ten".