2211021020002 has 16 divisors (see below), whose sum is σ = 3431737403640. Its totient is φ = 1067127279232.

The previous prime is 2211021019993. The next prime is 2211021020003. The reversal of 2211021020002 is 2000201201122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1710055751481 + 500965268521 = 1307691^2 + 707789^2 .

It is a super-2 number, since 2×2211021020002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211021020003) 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, 4443493 + ... + 4915960.

Almost surely, 2^{2211021020002} is an apocalyptic number.

2211021020002 is a deficient number, since it is larger than the sum of its proper divisors (1220716383638).

2211021020002 is a wasteful number, since it uses less digits than its factorization.

2211021020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9363557.

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

Adding to 2211021020002 its reverse (2000201201122), we get a palindrome (4211222221124).

The spelling of 2211021020002 in words is "two trillion, two hundred eleven billion, twenty-one million, twenty thousand, two".