211011221222102 has 32 divisors (see below), whose sum is σ = 363572956980288. Its totient is φ = 89973529946496.

The previous prime is 211011221222093. The next prime is 211011221222129. The reversal of 211011221222102 is 201222122110112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393676628 + ... + 394212264.

It is an arithmetic number, because the mean of its divisors is an integer number (11361654905634).

Almost surely, 2^{211011221222102} is an apocalyptic number.

211011221222102 is a deficient number, since it is larger than the sum of its proper divisors (152561735758186).

211011221222102 is a wasteful number, since it uses less digits than its factorization.

211011221222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678680.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211011221222102 its reverse (201222122110112), we get a palindrome (412233343332214).

The spelling of 211011221222102 in words is "two hundred eleven trillion, eleven billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred two".