21150204035001 has 16 divisors (see below), whose sum is σ = 28440972564480. Its totient is φ = 13980055914000.

The previous prime is 21150204034979. The next prime is 21150204035029. The reversal of 21150204035001 is 10053040205112.

It is a happy number.

It is not a de Polignac number, because 21150204035001 - 2⁷ = 21150204034873 is a prime.

It is a super-2 number, since 2×21150204035001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21150204035101) 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, 33455085 + ... + 34081418.

It is an arithmetic number, because the mean of its divisors is an integer number (1777560785280).

Almost surely, 2^{21150204035001} is an apocalyptic number.

It is an amenable number.

21150204035001 is a deficient number, since it is larger than the sum of its proper divisors (7290768529479).

21150204035001 is a wasteful number, since it uses less digits than its factorization.

21150204035001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67537396.

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 21150204035001 in words is "twenty-one trillion, one hundred fifty billion, two hundred four million, thirty-five thousand, one".