101020022 has 4 divisors (see below), whose sum is σ = 151530036. Its totient is φ = 50510010.

The previous prime is 101020009. The next prime is 101020037. The reversal of 101020022 is 220020101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220020101 = 7 ⋅31431443.

It is a junction number, because it is equal to n+sod(n) for n = 101019991 and 101020009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25255004 + ... + 25255007.

It is an arithmetic number, because the mean of its divisors is an integer number (37882509).

Almost surely, 2^101020022 is an apocalyptic number.

101020022 is a deficient number, since it is larger than the sum of its proper divisors (50510014).

101020022 is an equidigital number, since it uses as much as digits as its factorization.

101020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50510013.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 101020022 is about 10050.8717034892. The cubic root of 101020022 is about 465.7317218971.

Adding to 101020022 its reverse (220020101), we get a palindrome (321040123).

The spelling of 101020022 in words is "one hundred one million, twenty thousand, twenty-two".