1022100100101 has 64 divisors (see below), whose sum is σ = 1631864586240. Its totient is φ = 630425410560.

The previous prime is 1022100100093. The next prime is 1022100100103. The reversal of 1022100100101 is 1010010012201.

It is a happy number.

It is not a de Polignac number, because 1022100100101 - 2³ = 1022100100093 is a prime.

It is a super-2 number, since 2×1022100100101² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022100100103) 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 63 ways as a sum of consecutive naturals, for example, 40664800 + ... + 40689926.

It is an arithmetic number, because the mean of its divisors is an integer number (25497884160).

Almost surely, 2^{1022100100101} is an apocalyptic number.

It is an amenable number.

1022100100101 is a deficient number, since it is larger than the sum of its proper divisors (609764486139).

1022100100101 is a wasteful number, since it uses less digits than its factorization.

1022100100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27303 (or 27297 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1022100100101 its reverse (1010010012201), we get a palindrome (2032110112302).

The spelling of 1022100100101 in words is "one trillion, twenty-two billion, one hundred million, one hundred thousand, one hundred one".