202111020002011 has 16 divisors (see below), whose sum is σ = 212792123066400. Its totient is φ = 191434288508928.

The previous prime is 202111020001991. The next prime is 202111020002033. The reversal of 202111020002011 is 110200020111202.

It is a cyclic number.

It is not a de Polignac number, because 202111020002011 - 2⁴¹ = 199911996746459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202111020001982 and 202111020002000.

It is not an unprimeable number, because it can be changed into a prime (202111020602011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3071143075 + ... + 3071208883.

It is an arithmetic number, because the mean of its divisors is an integer number (13299507691650).

Almost surely, 2^{202111020002011} is an apocalyptic number.

202111020002011 is a deficient number, since it is larger than the sum of its proper divisors (10681103064389).

202111020002011 is a wasteful number, since it uses less digits than its factorization.

202111020002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96558.

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

Adding to 202111020002011 its reverse (110200020111202), we get a palindrome (312311040113213).

The spelling of 202111020002011 in words is "two hundred two trillion, one hundred eleven billion, twenty million, two thousand, eleven".