211101221202 has 16 divisors (see below), whose sum is σ = 422218659072. Its totient is φ = 70364370960.

The previous prime is 211101221189. The next prime is 211101221239. The reversal of 211101221202 is 202122101112.

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, 503074 + ... + 821757.

It is an arithmetic number, because the mean of its divisors is an integer number (26388666192).

Almost surely, 2^211101221202 is an apocalyptic number.

211101221202 is an abundant number, since it is smaller than the sum of its proper divisors (211117437870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211101221202 is a wasteful number, since it uses less digits than its factorization.

211101221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351393.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211101221202 its reverse (202122101112), we get a palindrome (413223322314).

The spelling of 211101221202 in words is "two hundred eleven billion, one hundred one million, two hundred twenty-one thousand, two hundred two".