99902010101 has 4 divisors (see below), whose sum is σ = 102027584832. Its totient is φ = 97776435372.

The previous prime is 99902010079. The next prime is 99902010119. The reversal of 99902010101 is 10101020999.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10101020999 = 3331 ⋅3032429.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99902010101 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 (99902010121) 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, 1062787295 + ... + 1062787388.

It is an arithmetic number, because the mean of its divisors is an integer number (25506896208).

Almost surely, 2^99902010101 is an apocalyptic number.

It is an amenable number.

99902010101 is a deficient number, since it is larger than the sum of its proper divisors (2125574731).

99902010101 is a wasteful number, since it uses less digits than its factorization.

99902010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125574730.

The product of its (nonzero) digits is 1458, while the sum is 32.

The spelling of 99902010101 in words is "ninety-nine billion, nine hundred two million, ten thousand, one hundred one".