21002294114025 has 192 divisors, whose sum is σ = 41385865420800. Its totient is φ = 9389940403200.

The previous prime is 21002294114023. The next prime is 21002294114029. The reversal of 21002294114025 is 52041149220012.

It is not a de Polignac number, because 21002294114025 - 2¹ = 21002294114023 is a prime.

It is a super-3 number, since 3×21002294114025³ (a number of 41 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21002294114023) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1899451297 + ... + 1899462353.

It is an arithmetic number, because the mean of its divisors is an integer number (215551382400).

Almost surely, 2^{21002294114025} is an apocalyptic number.

21002294114025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

21002294114025 is a deficient number, since it is larger than the sum of its proper divisors (20383571306775).

21002294114025 is a wasteful number, since it uses less digits than its factorization.

21002294114025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12709 (or 12690 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 21002294114025 in words is "twenty-one trillion, two billion, two hundred ninety-four million, one hundred fourteen thousand, twenty-five".