20220121201101 has 16 divisors (see below), whose sum is σ = 26967027097920. Its totient is φ = 13476648493440.

The previous prime is 20220121201081. The next prime is 20220121201121. The reversal of 20220121201101 is 10110212102202.

It is an interprime number because it is at equal distance from previous prime (20220121201081) and next prime (20220121201121).

It is not a de Polignac number, because 20220121201101 - 2⁷ = 20220121200973 is a prime.

It is a super-2 number, since 2×20220121201101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220121201121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218646610 + ... + 218739068.

It is an arithmetic number, because the mean of its divisors is an integer number (1685439193620).

Almost surely, 2^{20220121201101} is an apocalyptic number.

It is an amenable number.

20220121201101 is a deficient number, since it is larger than the sum of its proper divisors (6746905896819).

20220121201101 is a wasteful number, since it uses less digits than its factorization.

20220121201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110236.

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

Adding to 20220121201101 its reverse (10110212102202), we get a palindrome (30330333303303).

The spelling of 20220121201101 in words is "twenty trillion, two hundred twenty billion, one hundred twenty-one million, two hundred one thousand, one hundred one".