12212220010101 has 128 divisors (see below), whose sum is σ = 17708197478400. Its totient is φ = 7471066337280.

The previous prime is 12212220010091. The next prime is 12212220010139. The reversal of 12212220010101 is 10101002221221.

It is not a de Polignac number, because 12212220010101 - 2¹⁹ = 12212219485813 is a prime.

It is a super-2 number, since 2×12212220010101² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212220010141) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9985461376 + ... + 9985462598.

It is an arithmetic number, because the mean of its divisors is an integer number (138345292800).

Almost surely, 2^{12212220010101} is an apocalyptic number.

It is an amenable number.

12212220010101 is a deficient number, since it is larger than the sum of its proper divisors (5495977468299).

12212220010101 is a wasteful number, since it uses less digits than its factorization.

12212220010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819.

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

Adding to 12212220010101 its reverse (10101002221221), we get a palindrome (22313222231322).

The spelling of 12212220010101 in words is "twelve trillion, two hundred twelve billion, two hundred twenty million, ten thousand, one hundred one".