1211122202102 has 8 divisors (see below), whose sum is σ = 1819070537112. Its totient is φ = 604765356400.

The previous prime is 1211122202057. The next prime is 1211122202113. The reversal of 1211122202102 is 2012022211121.

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

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, 397870424 + ... + 397873467.

It is an arithmetic number, because the mean of its divisors is an integer number (227383817139).

Almost surely, 2^{1211122202102} is an apocalyptic number.

1211122202102 is a deficient number, since it is larger than the sum of its proper divisors (607948335010).

1211122202102 is an equidigital number, since it uses as much as digits as its factorization.

1211122202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795744654.

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

Adding to 1211122202102 its reverse (2012022211121), we get a palindrome (3223144413223).

The spelling of 1211122202102 in words is "one trillion, two hundred eleven billion, one hundred twenty-two million, two hundred two thousand, one hundred two".