112220021212122 has 32 divisors (see below), whose sum is σ = 231681681285120. Its totient is φ = 36199750984560.

The previous prime is 112220021212097. The next prime is 112220021212129. The reversal of 112220021212122 is 221212120022211.

It is a super-2 number, since 2×112220021212122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112220021212129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25193643 + ... + 29311425.

It is an arithmetic number, because the mean of its divisors is an integer number (7240052540160).

Almost surely, 2^{112220021212122} is an apocalyptic number.

112220021212122 is an abundant number, since it is smaller than the sum of its proper divisors (119461660072998).

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

112220021212122 is a wasteful number, since it uses less digits than its factorization.

112220021212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264338.

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

Adding to 112220021212122 its reverse (221212120022211), we get a palindrome (333432141234333).

The spelling of 112220021212122 in words is "one hundred twelve trillion, two hundred twenty billion, twenty-one million, two hundred twelve thousand, one hundred twenty-two".