1211000002102 has 32 divisors (see below), whose sum is σ = 1988680232448. Its totient is φ = 548499120000.

The previous prime is 1211000002081. The next prime is 1211000002141. The reversal of 1211000002102 is 2012000001121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21325527 + ... + 21382237.

It is an arithmetic number, because the mean of its divisors is an integer number (62146257264).

Almost surely, 2^{1211000002102} is an apocalyptic number.

1211000002102 is a deficient number, since it is larger than the sum of its proper divisors (777680230346).

1211000002102 is a wasteful number, since it uses less digits than its factorization.

1211000002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60156.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1211000002102 its reverse (2012000001121), we get a palindrome (3223000003223).

The spelling of 1211000002102 in words is "one trillion, two hundred eleven billion, two thousand, one hundred two".