2021000102212 has 96 divisors (see below), whose sum is σ = 4442357122560. Its totient is φ = 783233418240.

The previous prime is 2021000102071. The next prime is 2021000102243. The reversal of 2021000102212 is 2122010001202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2021000102192 and 2021000102201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3808464 + ... + 4306552.

It is an arithmetic number, because the mean of its divisors is an integer number (46274553360).

Almost surely, 2^{2021000102212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021000102212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2221178561280).

2021000102212 is an abundant number, since it is smaller than the sum of its proper divisors (2421357020348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021000102212 is a wasteful number, since it uses less digits than its factorization.

2021000102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498341 (or 498339 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2021000102212 its reverse (2122010001202), we get a palindrome (4143010103414).

It can be divided in two parts, 2021000 and 102212, that added together give a palindrome (2123212).

The spelling of 2021000102212 in words is "two trillion, twenty-one billion, one hundred two thousand, two hundred twelve".