1022042101 has 2 divisors, whose sum is σ = 1022042102. Its totient is φ = 1022042100.

The previous prime is 1022042093. The next prime is 1022042123. The reversal of 1022042101 is 1012402201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 661004100 + 361038001 = 25710^2 + 19001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022042101 - 2³ = 1022042093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022022101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511021050 + 511021051.

It is an arithmetic number, because the mean of its divisors is an integer number (511021051).

Almost surely, 2^1022042101 is an apocalyptic number.

It is an amenable number.

1022042101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022042101 is an equidigital number, since it uses as much as digits as its factorization.

1022042101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1022042101 is about 31969.3931909882. The cubic root of 1022042101 is about 1007.2940347030.

Adding to 1022042101 its reverse (1012402201), we get a palindrome (2034444302).

The spelling of 1022042101 in words is "one billion, twenty-two million, forty-two thousand, one hundred one".