1020201121432 has 8 divisors (see below), whose sum is σ = 1912877102700. Its totient is φ = 510100560712.

The previous prime is 1020201121393. The next prime is 1020201121469. The reversal of 1020201121432 is 2341211020201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1020201121432² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63762570082 + ... + 63762570097.

Almost surely, 2^{1020201121432} is an apocalyptic number.

It is an amenable number.

1020201121432 is a deficient number, since it is larger than the sum of its proper divisors (892675981268).

1020201121432 is a wasteful number, since it uses less digits than its factorization.

1020201121432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127525140185 (or 127525140181 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1020201121432 its reverse (2341211020201), we get a palindrome (3361412141633).

The spelling of 1020201121432 in words is "one trillion, twenty billion, two hundred one million, one hundred twenty-one thousand, four hundred thirty-two".