1201213011113 has 64 divisors (see below), whose sum is σ = 1361977344000. Its totient is φ = 1052749716480.

The previous prime is 1201213011101. The next prime is 1201213011121. The reversal of 1201213011113 is 3111103121021.

It is a cyclic number.

It is not a de Polignac number, because 1201213011113 - 2³⁸ = 926335104169 is a prime.

It is a super-2 number, since 2×1201213011113² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201213011091 and 1201213011100.

It is not an unprimeable number, because it can be changed into a prime (1201213011013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2594412320 + ... + 2594412782.

It is an arithmetic number, because the mean of its divisors is an integer number (21280896000).

Almost surely, 2^{1201213011113} is an apocalyptic number.

It is an amenable number.

1201213011113 is a deficient number, since it is larger than the sum of its proper divisors (160764332887).

1201213011113 is a wasteful number, since it uses less digits than its factorization.

1201213011113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1201213011113 its reverse (3111103121021), we get a palindrome (4312316132134).

The spelling of 1201213011113 in words is "one trillion, two hundred one billion, two hundred thirteen million, eleven thousand, one hundred thirteen".