22222201011102 has 24 divisors (see below), whose sum is σ = 48155456669736. Its totient is φ = 7406268878736.

The previous prime is 22222201011097. The next prime is 22222201011103. The reversal of 22222201011102 is 20111010222222.

It is a happy number.

It is a super-2 number, since 2×22222201011102² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222201011103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94167073 + ... + 94402764.

It is an arithmetic number, because the mean of its divisors is an integer number (2006477361239).

Almost surely, 2^{22222201011102} is an apocalyptic number.

22222201011102 is an abundant number, since it is smaller than the sum of its proper divisors (25933255658634).

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

22222201011102 is a wasteful number, since it uses less digits than its factorization.

22222201011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188576392 (or 188576389 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22222201011102 its reverse (20111010222222), we get a palindrome (42333211233324).

The spelling of 22222201011102 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred one million, eleven thousand, one hundred two".