1021211132 has 12 divisors (see below), whose sum is σ = 1864820496. Its totient is φ = 488405280.

The previous prime is 1021211129. The next prime is 1021211153. The reversal of 1021211132 is 2311121201.

It is a super-2 number, since 2×1021211132² = 2085744352241442848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5549969 + ... + 5550152.

It is an arithmetic number, because the mean of its divisors is an integer number (155401708).

Almost surely, 2^1021211132 is an apocalyptic number.

It is an amenable number.

1021211132 is a deficient number, since it is larger than the sum of its proper divisors (843609364).

1021211132 is a wasteful number, since it uses less digits than its factorization.

1021211132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100148 (or 11100146 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1021211132 is about 31956.3942271339. The cubic root of 1021211132 is about 1007.0209679781.

Adding to 1021211132 its reverse (2311121201), we get a palindrome (3332332333).

The spelling of 1021211132 in words is "one billion, twenty-one million, two hundred eleven thousand, one hundred thirty-two".