1420021220101 has 16 divisors (see below), whose sum is σ = 1603187562240. Its totient is φ = 1245903561280.

The previous prime is 1420021220089. The next prime is 1420021220131. The reversal of 1420021220101 is 1010221200241.

It is a cyclic number.

It is not a de Polignac number, because 1420021220101 - 2³¹ = 1417873736453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420021220131) 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, 128986 + ... + 1690171.

It is an arithmetic number, because the mean of its divisors is an integer number (100199222640).

Almost surely, 2^{1420021220101} is an apocalyptic number.

1420021220101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1420021220101 is a deficient number, since it is larger than the sum of its proper divisors (183166342139).

1420021220101 is a wasteful number, since it uses less digits than its factorization.

1420021220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821644.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1420021220101 its reverse (1010221200241), we get a palindrome (2430242420342).

The spelling of 1420021220101 in words is "one trillion, four hundred twenty billion, twenty-one million, two hundred twenty thousand, one hundred one".