211111020220202 has 16 divisors (see below), whose sum is σ = 330435354724992. Its totient is φ = 100965921822480.

The previous prime is 211111020220169. The next prime is 211111020220237. The reversal of 211111020220202 is 202022020111112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17656208 + ... + 27091764.

It is an arithmetic number, because the mean of its divisors is an integer number (20652209670312).

Almost surely, 2^{211111020220202} is an apocalyptic number.

211111020220202 is a deficient number, since it is larger than the sum of its proper divisors (119324334504790).

211111020220202 is a wasteful number, since it uses less digits than its factorization.

211111020220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9921973.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211111020220202 its reverse (202022020111112), we get a palindrome (413133040331314).

The spelling of 211111020220202 in words is "two hundred eleven trillion, one hundred eleven billion, twenty million, two hundred twenty thousand, two hundred two".