121101010212222 has 24 divisors (see below), whose sum is σ = 269477022725976. Its totient is φ = 39276003311856.

The previous prime is 121101010212173. The next prime is 121101010212233. The reversal of 121101010212222 is 222212010101121.

121101010212222 is a `hidden beast` number, since 1 + 211 + 0 + 10 + 10 + 212 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121101010212195 and 121101010212204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90916673668 + ... + 90916674999.

It is an arithmetic number, because the mean of its divisors is an integer number (11228209280249).

Almost surely, 2^{121101010212222} is an apocalyptic number.

121101010212222 is an abundant number, since it is smaller than the sum of its proper divisors (148376012513754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121101010212222 is a wasteful number, since it uses less digits than its factorization.

121101010212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181833348712 (or 181833348709 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121101010212222 its reverse (222212010101121), we get a palindrome (343313020313343).

The spelling of 121101010212222 in words is "one hundred twenty-one trillion, one hundred one billion, ten million, two hundred twelve thousand, two hundred twenty-two".