1020222101 has 4 divisors (see below), whose sum is σ = 1024797312. Its totient is φ = 1015646892.

The previous prime is 1020222097. The next prime is 1020222143. The reversal of 1020222101 is 1012220201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1012220201 = 7691 ⋅131611.

It is a cyclic number.

It is not a de Polignac number, because 1020222101 - 2² = 1020222097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020222701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2287271 + ... + 2287716.

It is an arithmetic number, because the mean of its divisors is an integer number (256199328).

Almost surely, 2^1020222101 is an apocalyptic number.

It is an amenable number.

1020222101 is a deficient number, since it is larger than the sum of its proper divisors (4575211).

1020222101 is an equidigital number, since it uses as much as digits as its factorization.

1020222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575210.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1020222101 is about 31940.9157821124. The cubic root of 1020222101 is about 1006.6957669735.

Adding to 1020222101 its reverse (1012220201), we get a palindrome (2032442302).

The spelling of 1020222101 in words is "one billion, twenty million, two hundred twenty-two thousand, one hundred one".