2111220222102 has 24 divisors (see below), whose sum is σ = 4574356793136. Its totient is φ = 703732949136.

The previous prime is 2111220222101. The next prime is 2111220222103. The reversal of 2111220222102 is 2012220221112.

It is a happy number.

2111220222102 is a `hidden beast` number, since 211 + 1 + 220 + 22 + 210 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (2111220222101) and next prime (2111220222103).

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 (2111220222101) 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, 1417708 + ... + 2496464.

It is an arithmetic number, because the mean of its divisors is an integer number (190598199714).

Almost surely, 2^{2111220222102} is an apocalyptic number.

2111220222102 is an abundant number, since it is smaller than the sum of its proper divisors (2463136571034).

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

2111220222102 is a wasteful number, since it uses less digits than its factorization.

2111220222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187492 (or 1187489 counting only the distinct ones).

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

Adding to 2111220222102 its reverse (2012220221112), we get a palindrome (4123440443214).

The spelling of 2111220222102 in words is "two trillion, one hundred eleven billion, two hundred twenty million, two hundred twenty-two thousand, one hundred two".