100101011221210 has 16 divisors (see below), whose sum is σ = 180219889546056. Its totient is φ = 40031944633408.

The previous prime is 100101011221157. The next prime is 100101011221229. The reversal of 100101011221210 is 12122110101001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 49040454346321 + 51060556874889 = 7002889^2 + 7145667^2 .

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, 1057432189 + ... + 1057526848.

Almost surely, 2^{100101011221210} is an apocalyptic number.

100101011221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100101011221210 is a deficient number, since it is larger than the sum of its proper divisors (80118878324846).

100101011221210 is a wasteful number, since it uses less digits than its factorization.

100101011221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114963777.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100101011221210 its reverse (12122110101001), we get a palindrome (112223121322211).

The spelling of 100101011221210 in words is "one hundred trillion, one hundred one billion, eleven million, two hundred twenty-one thousand, two hundred ten".