2010021020111 has 16 divisors (see below), whose sum is σ = 2272702840800. Its totient is φ = 1764686867328.

The previous prime is 2010021020107. The next prime is 2010021020113. The reversal of 2010021020111 is 1110201200102.

It is a cyclic number.

It is not a de Polignac number, because 2010021020111 - 2² = 2010021020107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010021020092 and 2010021020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010021020113) 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, 39762956 + ... + 39813473.

It is an arithmetic number, because the mean of its divisors is an integer number (142043927550).

Almost surely, 2^{2010021020111} is an apocalyptic number.

2010021020111 is a deficient number, since it is larger than the sum of its proper divisors (262681820689).

2010021020111 is a wasteful number, since it uses less digits than its factorization.

2010021020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79576538.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2010021020111 its reverse (1110201200102), we get a palindrome (3120222220213).

The spelling of 2010021020111 in words is "two trillion, ten billion, twenty-one million, twenty thousand, one hundred eleven".