2220201021012 has 144 divisors (see below), whose sum is σ = 5862216729600. Its totient is φ = 653053774464.

The previous prime is 2220201020977. The next prime is 2220201021067. The reversal of 2220201021012 is 2101201020222.

It is a junction number, because it is equal to n+sod(n) for n = 2220201020982 and 2220201021000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3827739 + ... + 4369437.

It is an arithmetic number, because the mean of its divisors is an integer number (40709838400).

Almost surely, 2^{2220201021012} 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 2220201021012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2931108364800).

2220201021012 is an abundant number, since it is smaller than the sum of its proper divisors (3642015708588).

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

2220201021012 is a wasteful number, since it uses less digits than its factorization.

2220201021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541822 (or 541807 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2220201021012 its reverse (2101201020222), we get a palindrome (4321402041234).

The spelling of 2220201021012 in words is "two trillion, two hundred twenty billion, two hundred one million, twenty-one thousand, twelve".