201102121222222 has 16 divisors (see below), whose sum is σ = 329076494075952. Its totient is φ = 91409972958720.

The previous prime is 201102121222199. The next prime is 201102121222241. The reversal of 201102121222222 is 222222121201102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 201102121222193 and 201102121222202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25757068 + ... + 32644000.

It is an arithmetic number, because the mean of its divisors is an integer number (20567280879747).

Almost surely, 2^{201102121222222} is an apocalyptic number.

201102121222222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201102121222222 is a deficient number, since it is larger than the sum of its proper divisors (127974372853730).

201102121222222 is a wasteful number, since it uses less digits than its factorization.

201102121222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8214243.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 201102121222222 its reverse (222222121201102), we get a palindrome (423324242423324).

The spelling of 201102121222222 in words is "two hundred one trillion, one hundred two billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty-two".