222011020020021 has 16 divisors (see below), whose sum is σ = 300868451900928. Its totient is φ = 145580484484800.

The previous prime is 222011020019953. The next prime is 222011020020103. The reversal of 222011020020021 is 120020020110222.

It is not a de Polignac number, because 222011020020021 - 2³⁴ = 221993840150837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011020020421) 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, 54045436 + ... + 58008026.

It is an arithmetic number, because the mean of its divisors is an integer number (18804278243808).

Almost surely, 2^{222011020020021} is an apocalyptic number.

It is an amenable number.

222011020020021 is a deficient number, since it is larger than the sum of its proper divisors (78857431880907).

222011020020021 is a wasteful number, since it uses less digits than its factorization.

222011020020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268812.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222011020020021 its reverse (120020020110222), we get a palindrome (342031040130243).

The spelling of 222011020020021 in words is "two hundred twenty-two trillion, eleven billion, twenty million, twenty thousand, twenty-one".