21101102003029 has 16 divisors (see below), whose sum is σ = 22800111304320. Its totient is φ = 19468586934720.

The previous prime is 21101102003017. The next prime is 21101102003063. The reversal of 21101102003029 is 92030020110112.

It is a cyclic number.

It is not a de Polignac number, because 21101102003029 - 2¹³ = 21101101994837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21101102003629) 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, 14811567 + ... + 16173580.

It is an arithmetic number, because the mean of its divisors is an integer number (1425006956520).

Almost surely, 2^{21101102003029} is an apocalyptic number.

21101102003029 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

21101102003029 is a deficient number, since it is larger than the sum of its proper divisors (1699009301291).

21101102003029 is a wasteful number, since it uses less digits than its factorization.

21101102003029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30986220.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 21101102003029 in words is "twenty-one trillion, one hundred one billion, one hundred two million, three thousand, twenty-nine".