102211212122210 has 32 divisors (see below), whose sum is σ = 189918462454272. Its totient is φ = 39564914653440.

The previous prime is 102211212122207. The next prime is 102211212122221. The reversal of 102211212122210 is 12221212112201.

It is a Curzon number.

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, 14341037 + ... + 20250623.

It is an arithmetic number, because the mean of its divisors is an integer number (5934951951696).

Almost surely, 2^{102211212122210} is an apocalyptic number.

102211212122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102211212122210 is a deficient number, since it is larger than the sum of its proper divisors (87707250332062).

102211212122210 is a wasteful number, since it uses less digits than its factorization.

102211212122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5965418.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102211212122210 its reverse (12221212112201), we get a palindrome (114432424234411).

The spelling of 102211212122210 in words is "one hundred two trillion, two hundred eleven billion, two hundred twelve million, one hundred twenty-two thousand, two hundred ten".