2101120001206 has 64 divisors (see below), whose sum is σ = 3305948405760. Its totient is φ = 1000706192640.

The previous prime is 2101120001153. The next prime is 2101120001209. The reversal of 2101120001206 is 6021000211012.

It is a self number, because there is not a number n which added to its sum of digits gives 2101120001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101120001209) 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, 372470146 + ... + 372475786.

It is an arithmetic number, because the mean of its divisors is an integer number (51655443840).

Almost surely, 2^{2101120001206} is an apocalyptic number.

2101120001206 is a deficient number, since it is larger than the sum of its proper divisors (1204828404554).

2101120001206 is a wasteful number, since it uses less digits than its factorization.

2101120001206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6389.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2101120001206 its reverse (6021000211012), we get a palindrome (8122120212218).

The spelling of 2101120001206 in words is "two trillion, one hundred one billion, one hundred twenty million, one thousand, two hundred six".