1021140424101 has 16 divisors (see below), whose sum is σ = 1556418258944. Its totient is φ = 583360780464.

The previous prime is 1021140424091. The next prime is 1021140424121. The reversal of 1021140424101 is 1014240411201.

It is not a de Polignac number, because 1021140424101 - 2²⁶ = 1021073315237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021140424121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6083281 + ... + 6248886.

It is an arithmetic number, because the mean of its divisors is an integer number (97276141184).

Almost surely, 2^{1021140424101} is an apocalyptic number.

It is an amenable number.

1021140424101 is a deficient number, since it is larger than the sum of its proper divisors (535277834843).

1021140424101 is a wasteful number, since it uses less digits than its factorization.

1021140424101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12336120.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1021140424101 its reverse (1014240411201), we get a palindrome (2035380835302).

The spelling of 1021140424101 in words is "one trillion, twenty-one billion, one hundred forty million, four hundred twenty-four thousand, one hundred one".