1022111121201 has 8 divisors (see below), whose sum is σ = 1373217995424. Its totient is φ = 676205830560.

The previous prime is 1022111121197. The next prime is 1022111121253. The reversal of 1022111121201 is 1021211112201.

It is a happy number.

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

It is not a de Polignac number, because 1022111121201 - 2² = 1022111121197 is a prime.

It is a super-2 number, since 2×1022111121201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1022111121271) 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, 1300395436 + ... + 1300396221.

It is an arithmetic number, because the mean of its divisors is an integer number (171652249428).

Almost surely, 2^{1022111121201} is an apocalyptic number.

It is an amenable number.

1022111121201 is a deficient number, since it is larger than the sum of its proper divisors (351106874223).

1022111121201 is a wasteful number, since it uses less digits than its factorization.

1022111121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600791791.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1022111121201 its reverse (1021211112201), we get a palindrome (2043322233402).

The spelling of 1022111121201 in words is "one trillion, twenty-two billion, one hundred eleven million, one hundred twenty-one thousand, two hundred one".