100121020111210 has 16 divisors (see below), whose sum is σ = 205963241371776. Its totient is φ = 34327206895248.

The previous prime is 100121020111181. The next prime is 100121020111247. The reversal of 100121020111210 is 12111020121001.

It is a happy 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, 715150143582 + ... + 715150143721.

It is an arithmetic number, because the mean of its divisors is an integer number (12872702585736).

Almost surely, 2^{100121020111210} is an apocalyptic number.

100121020111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100121020111210 is an abundant number, since it is smaller than the sum of its proper divisors (105842221260566).

100121020111210 is a wasteful number, since it uses less digits than its factorization.

100121020111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430300287317.

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

Adding to 100121020111210 its reverse (12111020121001), we get a palindrome (112232040232211).

The spelling of 100121020111210 in words is "one hundred trillion, one hundred twenty-one billion, twenty million, one hundred eleven thousand, two hundred ten".