121201101131 has 8 divisors (see below), whose sum is σ = 132223612464. Its totient is φ = 110179294720.

The previous prime is 121201101113. The next prime is 121201101143. The reversal of 121201101131 is 131101102121.

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

It is not a de Polignac number, because 121201101131 - 2¹⁰ = 121201100107 is a prime.

It is a super-2 number, since 2×121201101131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121201101101) 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, 222515 + ... + 540291.

It is an arithmetic number, because the mean of its divisors is an integer number (16527951558).

Almost surely, 2^121201101131 is an apocalyptic number.

121201101131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121201101131 is a deficient number, since it is larger than the sum of its proper divisors (11022511333).

121201101131 is a wasteful number, since it uses less digits than its factorization.

121201101131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352461.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 121201101131 its reverse (131101102121), we get a palindrome (252302203252).

The spelling of 121201101131 in words is "one hundred twenty-one billion, two hundred one million, one hundred one thousand, one hundred thirty-one".