121110212022222 has 16 divisors (see below), whose sum is σ = 242233232712192. Its totient is φ = 40367935896120.

The previous prime is 121110212022157. The next prime is 121110212022263. The reversal of 121110212022222 is 222220212011121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533571568 + ... + 533798499.

It is an arithmetic number, because the mean of its divisors is an integer number (15139577044512).

Almost surely, 2^{121110212022222} is an apocalyptic number.

121110212022222 is an abundant number, since it is smaller than the sum of its proper divisors (121123020689970).

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

121110212022222 is a wasteful number, since it uses less digits than its factorization.

121110212022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067388983.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121110212022222 its reverse (222220212011121), we get a palindrome (343330424033343).

The spelling of 121110212022222 in words is "one hundred twenty-one trillion, one hundred ten billion, two hundred twelve million, twenty-two thousand, two hundred twenty-two".