99021701 has 4 divisors (see below), whose sum is σ = 99086304. Its totient is φ = 98957100.

The previous prime is 99021697. The next prime is 99021751. The reversal of 99021701 is 10712099.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99021701 - 2² = 99021697 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 (99021751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29945 + ... + 33086.

It is an arithmetic number, because the mean of its divisors is an integer number (24771576).

Almost surely, 2^99021701 is an apocalyptic number.

It is an amenable number.

99021701 is a deficient number, since it is larger than the sum of its proper divisors (64603).

99021701 is a wasteful number, since it uses less digits than its factorization.

99021701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64602.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 99021701 is about 9950.9648275934. The cubic root of 99021701 is about 462.6402998753.

The spelling of 99021701 in words is "ninety-nine million, twenty-one thousand, seven hundred one".