101221001210219 has 8 divisors (see below), whose sum is σ = 110530013149440. Its totient is φ = 91929839727400.

The previous prime is 101221001210201. The next prime is 101221001210239. The reversal of 101221001210219 is 912012100122101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101221001210219 - 2²⁴ = 101220984433003 is a prime.

It is a super-2 number, since 2×101221001210219² (a number of 29 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 = 101221001210194 and 101221001210203.

It is not an unprimeable number, because it can be changed into a prime (101221001210239) 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, 4462602239 + ... + 4462624920.

It is an arithmetic number, because the mean of its divisors is an integer number (13816251643680).

Almost surely, 2^{101221001210219} is an apocalyptic number.

101221001210219 is a deficient number, since it is larger than the sum of its proper divisors (9309011939221).

101221001210219 is a wasteful number, since it uses less digits than its factorization.

101221001210219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8925228201.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 101221001210219 in words is "one hundred one trillion, two hundred twenty-one billion, one million, two hundred ten thousand, two hundred nineteen".