211220012012102 has 8 divisors (see below), whose sum is σ = 316830717730296. Its totient is φ = 105609772768672.

The previous prime is 211220012012081. The next prime is 211220012012123. The reversal of 211220012012102 is 201210210022112.

It is an interprime number because it is at equal distance from previous prime (211220012012081) and next prime (211220012012123).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×211220012012102² (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 3 ways as a sum of consecutive naturals, for example, 115484483 + ... + 117299214.

It is an arithmetic number, because the mean of its divisors is an integer number (39603839716287).

Almost surely, 2^{211220012012102} is an apocalyptic number.

211220012012102 is a deficient number, since it is larger than the sum of its proper divisors (105610705718194).

211220012012102 is a wasteful number, since it uses less digits than its factorization.

211220012012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233237382.

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

Adding to 211220012012102 its reverse (201210210022112), we get a palindrome (412430222034214).

The spelling of 211220012012102 in words is "two hundred eleven trillion, two hundred twenty billion, twelve million, twelve thousand, one hundred two".