1020012221211 has 8 divisors (see below), whose sum is σ = 1370725085184. Its totient is φ = 674653752360.

The previous prime is 1020012221197. The next prime is 1020012221243. The reversal of 1020012221211 is 1121222100201.

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

It is not a de Polignac number, because 1020012221211 - 2⁷ = 1020012221083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020012221251) 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, 1338598335 + ... + 1338599096.

It is an arithmetic number, because the mean of its divisors is an integer number (171340635648).

Almost surely, 2^{1020012221211} is an apocalyptic number.

1020012221211 is a deficient number, since it is larger than the sum of its proper divisors (350712863973).

1020012221211 is a wasteful number, since it uses less digits than its factorization.

1020012221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677197561.

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

Adding to 1020012221211 its reverse (1121222100201), we get a palindrome (2141234321412).

The spelling of 1020012221211 in words is "one trillion, twenty billion, twelve million, two hundred twenty-one thousand, two hundred eleven".