10211220220210 has 16 divisors (see below), whose sum is σ = 18380288992536. Its totient is φ = 4084467511168.

The previous prime is 10211220220193. The next prime is 10211220220217. The reversal of 10211220220210 is 1202202211201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10200760862769 + 10459357441 = 3193863^2 + 102271^2 .

It is not an unprimeable number, because it can be changed into a prime (10211220220217) 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, 400579 + ... + 4536838.

Almost surely, 2^{10211220220210} is an apocalyptic number.

10211220220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10211220220210 is a deficient number, since it is larger than the sum of its proper divisors (8169068772326).

10211220220210 is a wasteful number, since it uses less digits than its factorization.

10211220220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144237.

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

Adding to 10211220220210 its reverse (1202202211201), we get a palindrome (11413422431411).

The spelling of 10211220220210 in words is "ten trillion, two hundred eleven billion, two hundred twenty million, two hundred twenty thousand, two hundred ten".