10101101221999 has 16 divisors (see below), whose sum is σ = 10704457728000. Its totient is φ = 9504920988576.

The previous prime is 10101101221979. The next prime is 10101101222021. The reversal of 10101101221999 is 99912210110101.

It is a cyclic number.

It is not a de Polignac number, because 10101101221999 - 2⁹ = 10101101221487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101101221909) 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, 160041682 + ... + 160104784.

It is an arithmetic number, because the mean of its divisors is an integer number (669028608000).

Almost surely, 2^{10101101221999} is an apocalyptic number.

10101101221999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10101101221999 is a deficient number, since it is larger than the sum of its proper divisors (603356506001).

10101101221999 is a wasteful number, since it uses less digits than its factorization.

10101101221999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119814.

The product of its (nonzero) digits is 2916, while the sum is 37.

The spelling of 10101101221999 in words is "ten trillion, one hundred one billion, one hundred one million, two hundred twenty-one thousand, nine hundred ninety-nine".