2101211022201 has 32 divisors (see below), whose sum is σ = 2901842496000. Its totient is φ = 1351795175808.

The previous prime is 2101211022199. The next prime is 2101211022217. The reversal of 2101211022201 is 1022201121012.

It is not a de Polignac number, because 2101211022201 - 2¹ = 2101211022199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101211022901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1709866 + ... + 2669468.

It is an arithmetic number, because the mean of its divisors is an integer number (90682578000).

Almost surely, 2^{2101211022201} is an apocalyptic number.

It is an amenable number.

2101211022201 is a deficient number, since it is larger than the sum of its proper divisors (800631473799).

2101211022201 is a wasteful number, since it uses less digits than its factorization.

2101211022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959893.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2101211022201 its reverse (1022201121012), we get a palindrome (3123412143213).

The spelling of 2101211022201 in words is "two trillion, one hundred one billion, two hundred eleven million, twenty-two thousand, two hundred one".