112210222002121 has 16 divisors (see below), whose sum is σ = 113422396009104. Its totient is φ = 110999187984384.

The previous prime is 112210222002119. The next prime is 112210222002149. The reversal of 112210222002121 is 121200222012211.

It can be written as a sum of positive squares in 8 ways, for example, as 16049349994896 + 96160872007225 = 4006164^2 + 9806165^2 .

It is a cyclic number.

It is not a de Polignac number, because 112210222002121 - 2¹ = 112210222002119 is a prime.

It is a super-2 number, since 2×112210222002121² (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 (112210222002191) 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, 2927229471 + ... + 2927267803.

It is an arithmetic number, because the mean of its divisors is an integer number (7088899750569).

Almost surely, 2^{112210222002121} is an apocalyptic number.

It is an amenable number.

112210222002121 is a deficient number, since it is larger than the sum of its proper divisors (1212174006983).

112210222002121 is a wasteful number, since it uses less digits than its factorization.

112210222002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52380.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112210222002121 its reverse (121200222012211), we get a palindrome (233410444014332).

The spelling of 112210222002121 in words is "one hundred twelve trillion, two hundred ten billion, two hundred twenty-two million, two thousand, one hundred twenty-one".