10211012220202 has 4 divisors (see below), whose sum is σ = 15316518330306. Its totient is φ = 5105506110100.

The previous prime is 10211012220121. The next prime is 10211012220209. The reversal of 10211012220202 is 20202221011201.

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., 5561904340161 + 4649107880041 = 2358369^2 + 2156179^2 .

It is a super-2 number, since 2×10211012220202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10211012220209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552753055049 + ... + 2552753055052.

Almost surely, 2^{10211012220202} is an apocalyptic number.

10211012220202 is a deficient number, since it is larger than the sum of its proper divisors (5105506110104).

10211012220202 is an equidigital number, since it uses as much as digits as its factorization.

10211012220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105506110103.

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

Adding to 10211012220202 its reverse (20202221011201), we get a palindrome (30413233231403).

The spelling of 10211012220202 in words is "ten trillion, two hundred eleven billion, twelve million, two hundred twenty thousand, two hundred two".