22211022012101 has 4 divisors (see below), whose sum is σ = 23919562166892. Its totient is φ = 20502481857312.

The previous prime is 22211022012061. The next prime is 22211022012143. The reversal of 22211022012101 is 10121022011222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1570946383876 + 20640075628225 = 1253374^2 + 4543135^2 .

It is not a de Polignac number, because 22211022012101 - 2¹⁰ = 22211022011077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22211022012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211022012161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854270077376 + ... + 854270077401.

It is an arithmetic number, because the mean of its divisors is an integer number (5979890541723).

Almost surely, 2^{22211022012101} is an apocalyptic number.

It is an amenable number.

22211022012101 is a deficient number, since it is larger than the sum of its proper divisors (1708540154791).

22211022012101 is a wasteful number, since it uses less digits than its factorization.

22211022012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708540154790.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22211022012101 its reverse (10121022011222), we get a palindrome (32332044023323).

The spelling of 22211022012101 in words is "twenty-two trillion, two hundred eleven billion, twenty-two million, twelve thousand, one hundred one".