22101201011211 has 8 divisors (see below), whose sum is σ = 33678020588544. Its totient is φ = 12629257720680.

The previous prime is 22101201011177. The next prime is 22101201011233. The reversal of 22101201011211 is 11211010210122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22101201011211 - 2⁹ = 22101201010699 is a prime.

It is a super-2 number, since 2×22101201011211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22101201010211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526219071675 + ... + 526219071716.

It is an arithmetic number, because the mean of its divisors is an integer number (4209752573568).

Almost surely, 2^{22101201011211} is an apocalyptic number.

22101201011211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22101201011211 is a deficient number, since it is larger than the sum of its proper divisors (11576819577333).

22101201011211 is a wasteful number, since it uses less digits than its factorization.

22101201011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052438143401.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22101201011211 its reverse (11211010210122), we get a palindrome (33312211221333).

The spelling of 22101201011211 in words is "twenty-two trillion, one hundred one billion, two hundred one million, eleven thousand, two hundred eleven".