121102212222211 has 32 divisors (see below), whose sum is σ = 140082559142400. Its totient is φ = 103468932103680.

The previous prime is 121102212222191. The next prime is 121102212222331. The reversal of 121102212222211 is 112222212201121.

It is not a de Polignac number, because 121102212222211 - 2¹¹ = 121102212220163 is a prime.

It is a super-2 number, since 2×121102212222211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121102212222611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 680669781 + ... + 680847673.

It is an arithmetic number, because the mean of its divisors is an integer number (4377579973200).

Almost surely, 2^{121102212222211} is an apocalyptic number.

121102212222211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121102212222211 is a deficient number, since it is larger than the sum of its proper divisors (18980346920189).

121102212222211 is a wasteful number, since it uses less digits than its factorization.

121102212222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183099.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 121102212222211 its reverse (112222212201121), we get a palindrome (233324424423332).

The spelling of 121102212222211 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twelve million, two hundred twenty-two thousand, two hundred eleven".