920121121029 has 16 divisors (see below), whose sum is σ = 1338414502464. Its totient is φ = 557625619200.

The previous prime is 920121120943. The next prime is 920121121067.

920121121029 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 920121121029 - 2⁹ = 920121120517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 920121120987 and 920121121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920121121069) 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, 221437 + ... + 1374509.

It is an arithmetic number, because the mean of its divisors is an integer number (83650906404).

Almost surely, 2^920121121029 is an apocalyptic number.

It is an amenable number.

920121121029 is a deficient number, since it is larger than the sum of its proper divisors (418293381435).

920121121029 is a wasteful number, since it uses less digits than its factorization.

920121121029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177268.

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 920121121029 in words is "nine hundred twenty billion, one hundred twenty-one million, one hundred twenty-one thousand, twenty-nine".