22201212102 has 16 divisors (see below), whose sum is σ = 45933542640. Its totient is φ = 7145217632.

The previous prime is 22201212053. The next prime is 22201212107. The reversal of 22201212102 is 20121210222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201212107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63796413 + ... + 63796760.

It is an arithmetic number, because the mean of its divisors is an integer number (2870846415).

Almost surely, 2^22201212102 is an apocalyptic number.

22201212102 is an abundant number, since it is smaller than the sum of its proper divisors (23732330538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22201212102 is a wasteful number, since it uses less digits than its factorization.

22201212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127593207.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22201212102 its reverse (20121210222), we get a palindrome (42322422324).

It can be divided in two parts, 22 and 201212102, that multiplied together give a palindrome (4426666244).

The spelling of 22201212102 in words is "twenty-two billion, two hundred one million, two hundred twelve thousand, one hundred two".