22111201200102 has 128 divisors (see below), whose sum is σ = 52444863922176. Its totient is φ = 6081566400000.

The previous prime is 22111201200083. The next prime is 22111201200103. The reversal of 22111201200102 is 20100210211122.

It is a super-2 number, since 2×22111201200102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111201200103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 285816727 + ... + 285894077.

It is an arithmetic number, because the mean of its divisors is an integer number (409725499392).

Almost surely, 2^{22111201200102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22111201200102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26222431961088).

22111201200102 is an abundant number, since it is smaller than the sum of its proper divisors (30333662722074).

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

22111201200102 is a wasteful number, since it uses less digits than its factorization.

22111201200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78546.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22111201200102 its reverse (20100210211122), we get a palindrome (42211411411224).

The spelling of 22111201200102 in words is "twenty-two trillion, one hundred eleven billion, two hundred one million, two hundred thousand, one hundred two".