10202211021202 has 4 divisors (see below), whose sum is σ = 15303316531806. Its totient is φ = 5101105510600.

The previous prime is 10202211021169. The next prime is 10202211021203. The reversal of 10202211021202 is 20212011220201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8025373402281 + 2176837618921 = 2832909^2 + 1475411^2 .

It is a super-2 number, since 2×10202211021202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10202211021203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550552755299 + ... + 2550552755302.

Almost surely, 2^{10202211021202} is an apocalyptic number.

10202211021202 is a deficient number, since it is larger than the sum of its proper divisors (5101105510604).

10202211021202 is an equidigital number, since it uses as much as digits as its factorization.

10202211021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101105510603.

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

Adding to 10202211021202 its reverse (20212011220201), we get a palindrome (30414222241403).

The spelling of 10202211021202 in words is "ten trillion, two hundred two billion, two hundred eleven million, twenty-one thousand, two hundred two".