22222100121122 has 16 divisors (see below), whose sum is σ = 38502462242592. Its totient is φ = 9506780800320.

The previous prime is 22222100121077. The next prime is 22222100121131. The reversal of 22222100121122 is 22112100122222.

It is a junction number, because it is equal to n+sod(n) for n = 22222100121094 and 22222100121103.

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, 29708689628 + ... + 29708690375.

It is an arithmetic number, because the mean of its divisors is an integer number (2406403890162).

Almost surely, 2^{22222100121122} is an apocalyptic number.

22222100121122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22222100121122 is a deficient number, since it is larger than the sum of its proper divisors (16280362121470).

22222100121122 is a wasteful number, since it uses less digits than its factorization.

22222100121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59417380033.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22222100121122 its reverse (22112100122222), we get a palindrome (44334200243344).

The spelling of 22222100121122 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred million, one hundred twenty-one thousand, one hundred twenty-two".