211220020002010 has 16 divisors (see below), whose sum is σ = 380204657827272. Its totient is φ = 84486092040000.

The previous prime is 211220020001957. The next prime is 211220020002011. The reversal of 211220020002010 is 10200020022112.

It is a happy number.

211220020002010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 204369640315681 + 6850379686329 = 14295791^2 + 2617323^2 .

It is a super-2 number, since 2×211220020002010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211220020002011) 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, 239032041 + ... + 239914060.

Almost surely, 2^{211220020002010} is an apocalyptic number.

211220020002010 is a deficient number, since it is larger than the sum of its proper divisors (168984637825262).

211220020002010 is a wasteful number, since it uses less digits than its factorization.

211220020002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478990209.

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

Adding to 211220020002010 its reverse (10200020022112), we get a palindrome (221420040024122).

The spelling of 211220020002010 in words is "two hundred eleven trillion, two hundred twenty billion, twenty million, two thousand, ten".