1020221142211 has 8 divisors (see below), whose sum is σ = 1041960815424. Its totient is φ = 998482837440.

The previous prime is 1020221142203. The next prime is 1020221142217. The reversal of 1020221142211 is 1122411220201.

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 1020221142211 - 2³ = 1020221142203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020221142217) 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, 1242181 + ... + 1893001.

It is an arithmetic number, because the mean of its divisors is an integer number (130245101928).

Almost surely, 2^{1020221142211} is an apocalyptic number.

1020221142211 is a deficient number, since it is larger than the sum of its proper divisors (21739673213).

1020221142211 is an equidigital number, since it uses as much as digits as its factorization.

1020221142211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684221.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1020221142211 its reverse (1122411220201), we get a palindrome (2142632362412).

The spelling of 1020221142211 in words is "one trillion, twenty billion, two hundred twenty-one million, one hundred forty-two thousand, two hundred eleven".