2100122222001 has 8 divisors (see below), whose sum is σ = 2800621954944. Its totient is φ = 1399851985200.

The previous prime is 2100122221973. The next prime is 2100122222047. The reversal of 2100122222001 is 1002222210012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2100122222001 - 2⁹ = 2100122221489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100122222071) 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, 57352681 + ... + 57389286.

It is an arithmetic number, because the mean of its divisors is an integer number (350077744368).

Almost surely, 2^{2100122222001} is an apocalyptic number.

It is an amenable number.

2100122222001 is a deficient number, since it is larger than the sum of its proper divisors (700499732943).

2100122222001 is a wasteful number, since it uses less digits than its factorization.

2100122222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114748071.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2100122222001 its reverse (1002222210012), we get a palindrome (3102344432013).

The spelling of 2100122222001 in words is "two trillion, one hundred billion, one hundred twenty-two million, two hundred twenty-two thousand, one".