1201122121102 has 8 divisors (see below), whose sum is σ = 1801885122936. Its totient is φ = 600493746792.

The previous prime is 1201122121097. The next prime is 1201122121139. The reversal of 1201122121102 is 2011212211021.

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, 33634573 + ... + 33670264.

It is an arithmetic number, because the mean of its divisors is an integer number (225235640367).

Almost surely, 2^{1201122121102} is an apocalyptic number.

1201122121102 is a deficient number, since it is larger than the sum of its proper divisors (600763001834).

1201122121102 is an equidigital number, since it uses as much as digits as its factorization.

1201122121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67313762.

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

Adding to 1201122121102 its reverse (2011212211021), we get a palindrome (3212334332123).

The spelling of 1201122121102 in words is "one trillion, two hundred one billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred two".