122101020001 has 4 divisors (see below), whose sum is σ = 122221555092. Its totient is φ = 121980484912.

The previous prime is 122101019969. The next prime is 122101020047. The reversal of 122101020001 is 100020101221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53383640401 + 68717379600 = 231049^2 + 262140^2 .

It is a cyclic number.

It is not a de Polignac number, because 122101020001 - 2⁵ = 122101019969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122101020001.

It is not an unprimeable number, because it can be changed into a prime (122104020001) 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, 60266026 + ... + 60268051.

It is an arithmetic number, because the mean of its divisors is an integer number (30555388773).

Almost surely, 2^122101020001 is an apocalyptic number.

It is an amenable number.

122101020001 is a deficient number, since it is larger than the sum of its proper divisors (120535091).

122101020001 is a wasteful number, since it uses less digits than its factorization.

122101020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120535090.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 122101020001 its reverse (100020101221), we get a palindrome (222121121222).

The spelling of 122101020001 in words is "one hundred twenty-two billion, one hundred one million, twenty thousand, one".