100212102121722 has 32 divisors (see below), whose sum is σ = 201156849109440. Its totient is φ = 33281981669760.

The previous prime is 100212102121721. The next prime is 100212102121787. The reversal of 100212102121722 is 227121201212001.

It is a junction number, because it is equal to n+sod(n) for n = 100212102121692 and 100212102121701.

It is not an unprimeable number, because it can be changed into a prime (100212102121721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390222 + ... + 14162502.

It is an arithmetic number, because the mean of its divisors is an integer number (6286151534670).

Almost surely, 2^{100212102121722} is an apocalyptic number.

100212102121722 is an abundant number, since it is smaller than the sum of its proper divisors (100944746987718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100212102121722 is a wasteful number, since it uses less digits than its factorization.

100212102121722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13776718.

The product of its (nonzero) digits is 448, while the sum is 24.

Adding to 100212102121722 its reverse (227121201212001), we get a palindrome (327333303333723).

The spelling of 100212102121722 in words is "one hundred trillion, two hundred twelve billion, one hundred two million, one hundred twenty-one thousand, seven hundred twenty-two".