102222100121210 has 16 divisors (see below), whose sum is σ = 184054331058696. Its totient is φ = 40876717639488.

The previous prime is 102222100121203. The next prime is 102222100121237. The reversal of 102222100121210 is 12121001222201.

It can be written as a sum of positive squares in 4 ways, for example, as 97847054382289 + 4375045738921 = 9891767^2 + 2091661^2 .

It is a Curzon 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, 1515265709 + ... + 1515333168.

Almost surely, 2^{102222100121210} is an apocalyptic number.

102222100121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102222100121210 is a deficient number, since it is larger than the sum of its proper divisors (81832230937486).

102222100121210 is a wasteful number, since it uses less digits than its factorization.

102222100121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030602257.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102222100121210 its reverse (12121001222201), we get a palindrome (114343101343411).

The spelling of 102222100121210 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred million, one hundred twenty-one thousand, two hundred ten".