211222022112101 has 96 divisors (see below), whose sum is σ = 298191804094464. Its totient is φ = 145312260508800.

The previous prime is 211222022112083. The next prime is 211222022112109. The reversal of 211222022112101 is 101211220222112.

It is not a de Polignac number, because 211222022112101 - 2¹⁴ = 211222022095717 is a prime.

It is a super-2 number, since 2×211222022112101² (a number of 29 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 (211222022112109) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6678519050 + ... + 6678550676.

It is an arithmetic number, because the mean of its divisors is an integer number (3106164625984).

Almost surely, 2^{211222022112101} is an apocalyptic number.

It is an amenable number.

211222022112101 is a deficient number, since it is larger than the sum of its proper divisors (86969781982363).

211222022112101 is a wasteful number, since it uses less digits than its factorization.

211222022112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58063 (or 58052 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211222022112101 its reverse (101211220222112), we get a palindrome (312433242334213).

The spelling of 211222022112101 in words is "two hundred eleven trillion, two hundred twenty-two billion, twenty-two million, one hundred twelve thousand, one hundred one".