21060120952773 has 192 divisors, whose sum is σ = 38879704281600. Its totient is φ = 10712008581120.

The previous prime is 21060120952747. The next prime is 21060120952789. The reversal of 21060120952773 is 37725902106012.

It is a happy number.

21060120952773 is a `hidden beast` number, since 2 + 10 + 601 + 2 + 0 + 9 + 5 + 27 + 7 + 3 = 666.

It is not a de Polignac number, because 21060120952773 - 2¹² = 21060120948677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21060120951773) 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, 565004865 + ... + 565042137.

It is an arithmetic number, because the mean of its divisors is an integer number (202498459800).

Almost surely, 2^{21060120952773} is an apocalyptic number.

It is an amenable number.

21060120952773 is a deficient number, since it is larger than the sum of its proper divisors (17819583328827).

21060120952773 is a wasteful number, since it uses less digits than its factorization.

21060120952773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37772 (or 37769 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 21060120952773 in words is "twenty-one trillion, sixty billion, one hundred twenty million, nine hundred fifty-two thousand, seven hundred seventy-three".