22111212022210 has 32 divisors (see below), whose sum is σ = 40501797219072. Its totient is φ = 8688922591680.

The previous prime is 22111212022183. The next prime is 22111212022259. The reversal of 22111212022210 is 1222021211122.

It is a super-3 number, since 3×22111212022210³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21519774 + ... + 22523833.

It is an arithmetic number, because the mean of its divisors is an integer number (1265681163096).

Almost surely, 2^{22111212022210} is an apocalyptic number.

22111212022210 is a deficient number, since it is larger than the sum of its proper divisors (18390585196862).

22111212022210 is a wasteful number, since it uses less digits than its factorization.

22111212022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44044498.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22111212022210 its reverse (1222021211122), we get a palindrome (23333233233332).

The spelling of 22111212022210 in words is "twenty-two trillion, one hundred eleven billion, two hundred twelve million, twenty-two thousand, two hundred ten".