1202122012011 has 8 divisors (see below), whose sum is σ = 1620838668240. Its totient is φ = 792410015232.

The previous prime is 1202122011983. The next prime is 1202122012043. The reversal of 1202122012011 is 1102102212021.

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

It is not a de Polignac number, because 1202122012011 - 2²¹ = 1202119914859 is a prime.

It is a super-2 number, since 2×1202122012011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1202122012411) 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, 2251164550 + ... + 2251165083.

It is an arithmetic number, because the mean of its divisors is an integer number (202604833530).

Almost surely, 2^{1202122012011} is an apocalyptic number.

1202122012011 is a deficient number, since it is larger than the sum of its proper divisors (418716656229).

1202122012011 is an equidigital number, since it uses as much as digits as its factorization.

1202122012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502329725.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1202122012011 its reverse (1102102212021), we get a palindrome (2304224224032).

The spelling of 1202122012011 in words is "one trillion, two hundred two billion, one hundred twenty-two million, twelve thousand, eleven".