1211002102102 has 8 divisors (see below), whose sum is σ = 1956234164976. Its totient is φ = 558924047112.

The previous prime is 1211002102049. The next prime is 1211002102111. The reversal of 1211002102102 is 2012012001121.

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

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 23288501938 + ... + 23288501989.

It is an arithmetic number, because the mean of its divisors is an integer number (244529270622).

Almost surely, 2^{1211002102102} is an apocalyptic number.

1211002102102 is a deficient number, since it is larger than the sum of its proper divisors (745232062874).

1211002102102 is a wasteful number, since it uses less digits than its factorization.

1211002102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46577003942.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1211002102102 its reverse (2012012001121), we get a palindrome (3223014103223).

The spelling of 1211002102102 in words is "one trillion, two hundred eleven billion, two million, one hundred two thousand, one hundred two".