211211101021102 has 64 divisors (see below), whose sum is σ = 413262512732160. Its totient is φ = 78565288490496.

The previous prime is 211211101021033. The next prime is 211211101021247. The reversal of 211211101021102 is 201120101112112.

It is a super-2 number, since 2×211211101021102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29636508 + ... + 36065839.

It is an arithmetic number, because the mean of its divisors is an integer number (6457226761440).

Almost surely, 2^{211211101021102} is an apocalyptic number.

211211101021102 is a deficient number, since it is larger than the sum of its proper divisors (202051411711058).

211211101021102 is a wasteful number, since it uses less digits than its factorization.

211211101021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65703425.

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

Adding to 211211101021102 its reverse (201120101112112), we get a palindrome (412331202133214).

The spelling of 211211101021102 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred one million, twenty-one thousand, one hundred two".