2101202102211 has 8 divisors (see below), whose sum is σ = 2802059784384.
Its totient is φ = 1400572910760.
The previous prime is 2101202102191. The next prime is 2101202102221. The reversal of 2101202102211 is 1122012021012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2101202102211 - 25 = 2101202102179 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2101202102221) 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, 57101221 + ... + 57138006.
It is an arithmetic number, because the mean of its divisors is an integer number (350257473048).
Almost surely, 22101202102211 is an apocalyptic number.
2101202102211 is a deficient number, since it is larger than the sum of its proper divisors (700857682173).
2101202102211 is a wasteful number, since it uses less digits than its factorization.
2101202102211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114245361.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 2101202102211 its reverse (1122012021012), we get a palindrome (3223214123223).
The spelling of 2101202102211 in words is "two trillion, one hundred one billion, two hundred two million, one hundred two thousand, two hundred eleven".