22121020101201 has 16 divisors (see below), whose sum is σ = 33710966245248. Its totient is φ = 12639553488000.

The previous prime is 22121020101151. The next prime is 22121020101209. The reversal of 22121020101201 is 10210102012122.

It is not a de Polignac number, because 22121020101201 - 2¹³ = 22121020093009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22121020101209) 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, 42628750 + ... + 43144551.

It is an arithmetic number, because the mean of its divisors is an integer number (2106935390328).

Almost surely, 2^{22121020101201} is an apocalyptic number.

22121020101201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22121020101201 is a deficient number, since it is larger than the sum of its proper divisors (11589946144047).

22121020101201 is a wasteful number, since it uses less digits than its factorization.

22121020101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85785592.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22121020101201 its reverse (10210102012122), we get a palindrome (32331122113323).

The spelling of 22121020101201 in words is "twenty-two trillion, one hundred twenty-one billion, twenty million, one hundred one thousand, two hundred one".