2021200112102 has 16 divisors (see below), whose sum is σ = 3050042299200. Its totient is φ = 1004524178280.

The previous prime is 2021200112101. The next prime is 2021200112143. The reversal of 2021200112102 is 2012110021202.

It is a super-2 number, since 2×2021200112102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021200112101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369524 + ... + 2044247.

It is an arithmetic number, because the mean of its divisors is an integer number (190627643700).

Almost surely, 2^{2021200112102} is an apocalyptic number.

2021200112102 is a deficient number, since it is larger than the sum of its proper divisors (1028842187098).

2021200112102 is a wasteful number, since it uses less digits than its factorization.

2021200112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416291.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021200112102 its reverse (2012110021202), we get a palindrome (4033310133304).

The spelling of 2021200112102 in words is "two trillion, twenty-one billion, two hundred million, one hundred twelve thousand, one hundred two".