1021202434042 has 32 divisors (see below), whose sum is σ = 1753487568000. Its totient is φ = 436944760128.

The previous prime is 1021202434033. The next prime is 1021202434079. The reversal of 1021202434042 is 2404342021201.

It is a super-2 number, since 2×1021202434042² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021202433998 and 1021202434016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62515708 + ... + 62532040.

It is an arithmetic number, because the mean of its divisors is an integer number (54796486500).

Almost surely, 2^{1021202434042} is an apocalyptic number.

1021202434042 is a deficient number, since it is larger than the sum of its proper divisors (732285133958).

1021202434042 is a wasteful number, since it uses less digits than its factorization.

1021202434042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23350.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1021202434042 its reverse (2404342021201), we get a palindrome (3425544455243).

The spelling of 1021202434042 in words is "one trillion, twenty-one billion, two hundred two million, four hundred thirty-four thousand, forty-two".