1012202111 has 8 divisors (see below), whose sum is σ = 1046258304. Its totient is φ = 978233760.

The previous prime is 1012202071. The next prime is 1012202119. The reversal of 1012202111 is 1112022101.

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 1012202111 - 2¹⁰ = 1012201087 is a prime.

It is a super-2 number, since 2×1012202111² = 2049106227025712642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012202092 and 1012202101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012202119) 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, 1901 + ... + 45033.

It is an arithmetic number, because the mean of its divisors is an integer number (130782288).

Almost surely, 2^1012202111 is an apocalyptic number.

1012202111 is a deficient number, since it is larger than the sum of its proper divisors (34056193).

1012202111 is an equidigital number, since it uses as much as digits as its factorization.

1012202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43921.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1012202111 is about 31815.1239350093. The cubic root of 1012202111 is about 1004.0509380753.

Adding to 1012202111 its reverse (1112022101), we get a palindrome (2124224212).

The spelling of 1012202111 in words is "one billion, twelve million, two hundred two thousand, one hundred eleven".