10121201022021 has 8 divisors (see below), whose sum is σ = 13495725004704. Its totient is φ = 6747072193680.

The previous prime is 10121201021941. The next prime is 10121201022067. The reversal of 10121201022021 is 12022010212101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10121201022021 - 2¹³ = 10121201013829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121208022021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98728815 + ... + 98831276.

It is an arithmetic number, because the mean of its divisors is an integer number (1686965625588).

Almost surely, 2^{10121201022021} is an apocalyptic number.

It is an amenable number.

10121201022021 is a deficient number, since it is larger than the sum of its proper divisors (3374523982683).

10121201022021 is a wasteful number, since it uses less digits than its factorization.

10121201022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197577171.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10121201022021 its reverse (12022010212101), we get a palindrome (22143211234122).

The spelling of 10121201022021 in words is "ten trillion, one hundred twenty-one billion, two hundred one million, twenty-two thousand, twenty-one".