2102012201011 has 4 divisors (see below), whose sum is σ = 2133385517512. Its totient is φ = 2070638884512.

The previous prime is 2102012200973. The next prime is 2102012201057. The reversal of 2102012201011 is 1101022102012.

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

It is a cyclic number.

It is not a de Polignac number, because 2102012201011 - 2⁹ = 2102012200499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102012200982 and 2102012201000.

It is not an unprimeable number, because it can be changed into a prime (2102012211011) 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, 15686658150 + ... + 15686658283.

It is an arithmetic number, because the mean of its divisors is an integer number (533346379378).

Almost surely, 2^{2102012201011} is an apocalyptic number.

2102012201011 is a deficient number, since it is larger than the sum of its proper divisors (31373316501).

2102012201011 is an equidigital number, since it uses as much as digits as its factorization.

2102012201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31373316500.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2102012201011 its reverse (1101022102012), we get a palindrome (3203034303023).

The spelling of 2102012201011 in words is "two trillion, one hundred two billion, twelve million, two hundred one thousand, eleven".