2212121220022 has 16 divisors (see below), whose sum is σ = 3811457596320. Its totient is φ = 943239503808.

The previous prime is 2212121220013. The next prime is 2212121220053. The reversal of 2212121220022 is 2200221212122.

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, 401034447 + ... + 401039962.

It is an arithmetic number, because the mean of its divisors is an integer number (238216099770).

Almost surely, 2^{2212121220022} is an apocalyptic number.

2212121220022 is a deficient number, since it is larger than the sum of its proper divisors (1599336376298).

2212121220022 is a wasteful number, since it uses less digits than its factorization.

2212121220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802074615.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2212121220022 its reverse (2200221212122), we get a palindrome (4412342432144).

The spelling of 2212121220022 in words is "two trillion, two hundred twelve billion, one hundred twenty-one million, two hundred twenty thousand, twenty-two".