1213022123101 has 8 divisors (see below), whose sum is σ = 1228401947520. Its totient is φ = 1197642926688.

The previous prime is 1213022123087. The next prime is 1213022123111. The reversal of 1213022123101 is 1013212203121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213022123101 - 2¹⁵ = 1213022090333 is a prime.

It is a super-2 number, since 2×1213022123101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213022123111) 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, 4662090 + ... + 4915396.

It is an arithmetic number, because the mean of its divisors is an integer number (153550243440).

Almost surely, 2^{1213022123101} is an apocalyptic number.

It is an amenable number.

1213022123101 is a deficient number, since it is larger than the sum of its proper divisors (15379824419).

1213022123101 is an equidigital number, since it uses as much as digits as its factorization.

1213022123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314003.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1213022123101 its reverse (1013212203121), we get a palindrome (2226234326222).

The spelling of 1213022123101 in words is "one trillion, two hundred thirteen billion, twenty-two million, one hundred twenty-three thousand, one hundred one".