10111022012021 has 8 divisors (see below), whose sum is σ = 11953917649920. Its totient is φ = 8367742354608.

The previous prime is 10111022011999. The next prime is 10111022012023. The reversal of 10111022012021 is 12021022011101.

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

It is a de Polignac number, because none of the positive numbers 2^k-10111022012021 is a prime.

It is a super-2 number, since 2×10111022012021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10111022011987 and 10111022012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111022012023) 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, 24903994901 + ... + 24903995306.

It is an arithmetic number, because the mean of its divisors is an integer number (1494239706240).

Almost surely, 2^{10111022012021} is an apocalyptic number.

It is an amenable number.

10111022012021 is a deficient number, since it is larger than the sum of its proper divisors (1842895637899).

10111022012021 is an equidigital number, since it uses as much as digits as its factorization.

10111022012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49807990243.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10111022012021 its reverse (12021022011101), we get a palindrome (22132044023122).

The spelling of 10111022012021 in words is "ten trillion, one hundred eleven billion, twenty-two million, twelve thousand, twenty-one".