2210202121012 has 12 divisors (see below), whose sum is σ = 3892489723780. Its totient is φ = 1098062199936.

The previous prime is 2210202120949. The next prime is 2210202121019. The reversal of 2210202121012 is 2101212020122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1373569936036 + 836632184976 = 1171994^2 + 914676^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210202121019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1759714437 + ... + 1759715692.

Almost surely, 2^{2210202121012} is an apocalyptic number.

It is an amenable number.

2210202121012 is a deficient number, since it is larger than the sum of its proper divisors (1682287602768).

2210202121012 is a wasteful number, since it uses less digits than its factorization.

2210202121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519430290 (or 3519430288 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2210202121012 its reverse (2101212020122), we get a palindrome (4311414141134).

The spelling of 2210202121012 in words is "two trillion, two hundred ten billion, two hundred two million, one hundred twenty-one thousand, twelve".