1201021201102 has 8 divisors (see below), whose sum is σ = 1802282760000. Its totient is φ = 600260281104.

The previous prime is 1201021201063. The next prime is 1201021201103. The reversal of 1201021201102 is 2011021201021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201021201103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125153727 + ... + 125163322.

It is an arithmetic number, because the mean of its divisors is an integer number (225285345000).

Almost surely, 2^{1201021201102} is an apocalyptic number.

1201021201102 is a deficient number, since it is larger than the sum of its proper divisors (601261558898).

1201021201102 is a wasteful number, since it uses less digits than its factorization.

1201021201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250319450.

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

Adding to 1201021201102 its reverse (2011021201021), we get a palindrome (3212042402123).

It can be divided in two parts, 1201021 and 201102, that multiplied together give a palindrome (241527725142).

The spelling of 1201021201102 in words is "one trillion, two hundred one billion, twenty-one million, two hundred one thousand, one hundred two".