349990122101 has 4 divisors (see below), whose sum is σ = 350011872672. Its totient is φ = 349968371532.

The previous prime is 349990122089. The next prime is 349990122137. The reversal of 349990122101 is 101221099943.

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 a de Polignac number, because none of the positive numbers 2^k-349990122101 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 (349990122151) 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, 10851131 + ... + 10883336.

It is an arithmetic number, because the mean of its divisors is an integer number (87502968168).

Almost surely, 2^349990122101 is an apocalyptic number.

It is an amenable number.

349990122101 is a deficient number, since it is larger than the sum of its proper divisors (21750571).

349990122101 is a wasteful number, since it uses less digits than its factorization.

349990122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21750570.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 349990122101 in words is "three hundred forty-nine billion, nine hundred ninety million, one hundred twenty-two thousand, one hundred one".