10021255233421 has 8 divisors (see below), whose sum is σ = 10100381118464. Its totient is φ = 9942132760560.

The previous prime is 10021255233389. The next prime is 10021255233461. The reversal of 10021255233421 is 12433255212001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10021255233421 - 2⁵ = 10021255233389 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 (10021255233461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5213596 + ... + 6871978.

It is an arithmetic number, because the mean of its divisors is an integer number (1262547639808).

Almost surely, 2^{10021255233421} is an apocalyptic number.

It is an amenable number.

10021255233421 is a deficient number, since it is larger than the sum of its proper divisors (79125885043).

10021255233421 is a wasteful number, since it uses less digits than its factorization.

10021255233421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706091.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 10021255233421 in words is "ten trillion, twenty-one billion, two hundred fifty-five million, two hundred thirty-three thousand, four hundred twenty-one".