2021010111010 has 32 divisors (see below), whose sum is σ = 3991468456512. Its totient is φ = 730664710080.

The previous prime is 2021010110993. The next prime is 2021010111013. The reversal of 2021010111010 is 101110101202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2021010111013) 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, 53081604 + ... + 53119663.

It is an arithmetic number, because the mean of its divisors is an integer number (124733389266).

Almost surely, 2^{2021010111010} is an apocalyptic number.

2021010111010 is a deficient number, since it is larger than the sum of its proper divisors (1970458345502).

2021010111010 is a wasteful number, since it uses less digits than its factorization.

2021010111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106201458.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2021010111010 its reverse (101110101202), we get a palindrome (2122120212212).

The spelling of 2021010111010 in words is "two trillion, twenty-one billion, ten million, one hundred eleven thousand, ten".