1201121201102 has 16 divisors (see below), whose sum is σ = 1845662060160. Its totient is φ = 586068058488.

The previous prime is 1201121201101. The next prime is 1201121201143. The reversal of 1201121201102 is 2011021211021.

It is a super-2 number, since 2×1201121201102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201121201101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41871602 + ... + 41900277.

It is an arithmetic number, because the mean of its divisors is an integer number (115353878760).

Almost surely, 2^{1201121201102} is an apocalyptic number.

1201121201102 is a deficient number, since it is larger than the sum of its proper divisors (644540859058).

1201121201102 is a wasteful number, since it uses less digits than its factorization.

1201121201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83772055.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1201121201102 its reverse (2011021211021), we get a palindrome (3212142412123).

The spelling of 1201121201102 in words is "one trillion, two hundred one billion, one hundred twenty-one million, two hundred one thousand, one hundred two".