211220011021102 has 8 divisors (see below), whose sum is σ = 316832730699096. Its totient is φ = 105609100788072.

The previous prime is 211220011021027. The next prime is 211220011021181. The reversal of 211220011021102 is 201120110022112.

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

It is a super-2 number, since 2×211220011021102² (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, 452069373 + ... + 452536360.

It is an arithmetic number, because the mean of its divisors is an integer number (39604091337387).

Almost surely, 2^{211220011021102} is an apocalyptic number.

211220011021102 is a deficient number, since it is larger than the sum of its proper divisors (105612719677994).

211220011021102 is a wasteful number, since it uses less digits than its factorization.

211220011021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904722482.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211220011021102 its reverse (201120110022112), we get a palindrome (412340121043214).

The spelling of 211220011021102 in words is "two hundred eleven trillion, two hundred twenty billion, eleven million, twenty-one thousand, one hundred two".