2121133101222 has 32 divisors (see below), whose sum is σ = 4687107420672. Its totient is φ = 636520759424.

The previous prime is 2121133101209. The next prime is 2121133101229. The reversal of 2121133101222 is 2221013311212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121133101229) 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, 452072058 + ... + 452076749.

It is an arithmetic number, because the mean of its divisors is an integer number (146472106896).

Almost surely, 2^{2121133101222} is an apocalyptic number.

2121133101222 is an abundant number, since it is smaller than the sum of its proper divisors (2565974319450).

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

2121133101222 is a wasteful number, since it uses less digits than its factorization.

2121133101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904148852.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2121133101222 its reverse (2221013311212), we get a palindrome (4342146412434).

The spelling of 2121133101222 in words is "two trillion, one hundred twenty-one billion, one hundred thirty-three million, one hundred one thousand, two hundred twenty-two".