2122121201222 has 16 divisors (see below), whose sum is σ = 3655328385600. Its totient is φ = 913832096040.

The previous prime is 2122121201197. The next prime is 2122121201269. The reversal of 2122121201222 is 2221021212212.

It is a junction number, because it is equal to n+sod(n) for n = 2122121201194 and 2122121201203.

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, 2538422072 + ... + 2538422907.

It is an arithmetic number, because the mean of its divisors is an integer number (228458024100).

Almost surely, 2^{2122121201222} is an apocalyptic number.

2122121201222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2122121201222 is a deficient number, since it is larger than the sum of its proper divisors (1533207184378).

2122121201222 is a wasteful number, since it uses less digits than its factorization.

2122121201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076845011.

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

Adding to 2122121201222 its reverse (2221021212212), we get a palindrome (4343142413434).

The spelling of 2122121201222 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred one thousand, two hundred twenty-two".