22101212121099 has 16 divisors (see below), whose sum is σ = 30265187339808. Its totient is φ = 14335701380352.

The previous prime is 22101212121091. The next prime is 22101212121101. The reversal of 22101212121099 is 99012121210122.

It is not a de Polignac number, because 22101212121099 - 2³ = 22101212121091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22101212121091) 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, 5900049 + ... + 8888925.

It is an arithmetic number, because the mean of its divisors is an integer number (1891574208738).

Almost surely, 2^{22101212121099} is an apocalyptic number.

22101212121099 is a deficient number, since it is larger than the sum of its proper divisors (8163975218709).

22101212121099 is a wasteful number, since it uses less digits than its factorization.

22101212121099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055534.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 22101212121099 in words is "twenty-two trillion, one hundred one billion, two hundred twelve million, one hundred twenty-one thousand, ninety-nine".