1210211211102 has 8 divisors (see below), whose sum is σ = 2420422422216. Its totient is φ = 403403737032.

The previous prime is 1210211211061. The next prime is 1210211211113. The reversal of 1210211211102 is 2011121120121.

It is a happy number.

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

1210211211102 is an admirable number.

It is a super-2 number, since 2×1210211211102² (a number of 25 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, 100850934253 + ... + 100850934264.

It is an arithmetic number, because the mean of its divisors is an integer number (302552802777).

Almost surely, 2^{1210211211102} is an apocalyptic number.

1210211211102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1210211211102 is a wasteful number, since it uses less digits than its factorization.

1210211211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201701868522.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1210211211102 its reverse (2011121120121), we get a palindrome (3221332331223).

The spelling of 1210211211102 in words is "one trillion, two hundred ten billion, two hundred eleven million, two hundred eleven thousand, one hundred two".