21112022201222 has 8 divisors (see below), whose sum is σ = 32023853901000. Its totient is φ = 10437404234224.

The previous prime is 21112022201177. The next prime is 21112022201251. The reversal of 21112022201222 is 22210222021112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21112022201194 and 21112022201203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59303432972 + ... + 59303433327.

It is an arithmetic number, because the mean of its divisors is an integer number (4002981737625).

Almost surely, 2^{21112022201222} is an apocalyptic number.

21112022201222 is a deficient number, since it is larger than the sum of its proper divisors (10911831699778).

21112022201222 is a wasteful number, since it uses less digits than its factorization.

21112022201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118606866390.

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

Adding to 21112022201222 its reverse (22210222021112), we get a palindrome (43322244222334).

The spelling of 21112022201222 in words is "twenty-one trillion, one hundred twelve billion, twenty-two million, two hundred one thousand, two hundred twenty-two".