10101021292 has 12 divisors (see below), whose sum is σ = 17681910120. Its totient is φ = 5049046976.

The previous prime is 10101021277. The next prime is 10101021361. The reversal of 10101021292 is 29212010101.

It is a happy number.

It is a super-2 number, since 2×10101021292² (a number of 21 digits) contains 22 as substring.

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, 350317 + ... + 378052.

It is an arithmetic number, because the mean of its divisors is an integer number (1473492510).

Almost surely, 2^10101021292 is an apocalyptic number.

It is an amenable number.

10101021292 is a deficient number, since it is larger than the sum of its proper divisors (7580888828).

10101021292 is a wasteful number, since it uses less digits than its factorization.

10101021292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731840 (or 731838 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 10101021292 its reverse (29212010101), we get a palindrome (39313031393).

The spelling of 10101021292 in words is "ten billion, one hundred one million, twenty-one thousand, two hundred ninety-two".