901012200221 has 8 divisors (see below), whose sum is σ = 1029734384064. Its totient is φ = 772291555200.

The previous prime is 901012200181. The next prime is 901012200223. The reversal of 901012200221 is 122002210109.

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 901012200221 - 2³⁴ = 883832331037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 901012200193 and 901012200202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901012200223) 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, 1459181 + ... + 1982733.

It is an arithmetic number, because the mean of its divisors is an integer number (128716798008).

Almost surely, 2^901012200221 is an apocalyptic number.

It is an amenable number.

901012200221 is a deficient number, since it is larger than the sum of its proper divisors (128722183843).

901012200221 is a wasteful number, since it uses less digits than its factorization.

901012200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769411.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 901012200221 in words is "nine hundred one billion, twelve million, two hundred thousand, two hundred twenty-one".